7888400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 120

約数和(自身を含む): 21472584

約数和(自身を除く): 13584184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 37, 40, 41, 50, 52, 65, 74, 80, 82, 100, 104, 130, 148, 164, 185, 200, 205, 208, 260, 296, 325, 328, 370, 400, 410, 481, 520, 533, 592, 650, 656, 740, 820, 925, 962, 1025, 1040, 1066, 1300, 1480, 1517, 1640, 1850, 1924, 2050, 2132, 2405, 2600, 2665, 2960, 3034, 3280, 3700, 3848, 4100, 4264, 4810, 5200, 5330, 6068, 7400, 7585, 7696, 8200, 8528, 9620, 10660, 12025, 12136, 13325, 14800, 15170, 16400, 19240, 19721, 21320, 24050, 24272, 26650, 30340, 37925, 38480, 39442, 42640, 48100, 53300, 60680, 75850, 78884, 96200, 98605, 106600, 121360, 151700, 157768, 192400, 197210, 213200, 303400, 315536, 394420, 493025, 606800, 788840, 986050, 1577680, 1972100, 3944200, 7888400]

約数ペア:

[(1, 7888400), (2, 3944200), (4, 1972100), (5, 1577680), (8, 986050), (10, 788840), (13, 606800), (16, 493025), (20, 394420), (25, 315536), (26, 303400), (37, 213200), (40, 197210), (41, 192400), (50, 157768), (52, 151700), (65, 121360), (74, 106600), (80, 98605), (82, 96200), (100, 78884), (104, 75850), (130, 60680), (148, 53300), (164, 48100), (185, 42640), (200, 39442), (205, 38480), (208, 37925), (260, 30340), (296, 26650), (325, 24272), (328, 24050), (370, 21320), (400, 19721), (410, 19240), (481, 16400), (520, 15170), (533, 14800), (592, 13325), (650, 12136), (656, 12025), (740, 10660), (820, 9620), (925, 8528), (962, 8200), (1025, 7696), (1040, 7585), (1066, 7400), (1300, 6068), (1480, 5330), (1517, 5200), (1640, 4810), (1850, 4264), (1924, 4100), (2050, 3848), (2132, 3700), (2405, 3280), (2600, 3034), (2665, 2960)]