38864800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 105977592

約数和(自身を除く): 67112792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 37, 40, 50, 52, 65, 74, 80, 100, 101, 104, 130, 148, 160, 185, 200, 202, 208, 260, 296, 325, 370, 400, 404, 416, 481, 505, 520, 592, 650, 740, 800, 808, 925, 962, 1010, 1040, 1184, 1300, 1313, 1480, 1616, 1850, 1924, 2020, 2080, 2405, 2525, 2600, 2626, 2960, 3232, 3700, 3737, 3848, 4040, 4810, 5050, 5200, 5252, 5920, 6565, 7400, 7474, 7696, 8080, 9620, 10100, 10400, 10504, 12025, 13130, 14800, 14948, 15392, 16160, 18685, 19240, 20200, 21008, 24050, 26260, 29600, 29896, 32825, 37370, 38480, 40400, 42016, 48100, 48581, 52520, 59792, 65650, 74740, 76960, 80800, 93425, 96200, 97162, 105040, 119584, 131300, 149480, 186850, 192400, 194324, 210080, 242905, 262600, 298960, 373700, 384800, 388648, 485810, 525200, 597920, 747400, 777296, 971620, 1050400, 1214525, 1494800, 1554592, 1943240, 2429050, 2989600, 3886480, 4858100, 7772960, 9716200, 19432400, 38864800]

約数ペア:

[(1, 38864800), (2, 19432400), (4, 9716200), (5, 7772960), (8, 4858100), (10, 3886480), (13, 2989600), (16, 2429050), (20, 1943240), (25, 1554592), (26, 1494800), (32, 1214525), (37, 1050400), (40, 971620), (50, 777296), (52, 747400), (65, 597920), (74, 525200), (80, 485810), (100, 388648), (101, 384800), (104, 373700), (130, 298960), (148, 262600), (160, 242905), (185, 210080), (200, 194324), (202, 192400), (208, 186850), (260, 149480), (296, 131300), (325, 119584), (370, 105040), (400, 97162), (404, 96200), (416, 93425), (481, 80800), (505, 76960), (520, 74740), (592, 65650), (650, 59792), (740, 52520), (800, 48581), (808, 48100), (925, 42016), (962, 40400), (1010, 38480), (1040, 37370), (1184, 32825), (1300, 29896), (1313, 29600), (1480, 26260), (1616, 24050), (1850, 21008), (1924, 20200), (2020, 19240), (2080, 18685), (2405, 16160), (2525, 15392), (2600, 14948), (2626, 14800), (2960, 13130), (3232, 12025), (3700, 10504), (3737, 10400), (3848, 10100), (4040, 9620), (4810, 8080), (5050, 7696), (5200, 7474), (5252, 7400), (5920, 6565)]