38820400

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 99621104

約数和(自身を除く): 60800704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 43, 50, 61, 74, 80, 86, 100, 122, 148, 172, 185, 200, 215, 244, 296, 305, 344, 370, 400, 430, 488, 592, 610, 688, 740, 860, 925, 976, 1075, 1220, 1480, 1525, 1591, 1720, 1850, 2150, 2257, 2440, 2623, 2960, 3050, 3182, 3440, 3700, 4300, 4514, 4880, 5246, 6100, 6364, 7400, 7955, 8600, 9028, 10492, 11285, 12200, 12728, 13115, 14800, 15910, 17200, 18056, 20984, 22570, 24400, 25456, 26230, 31820, 36112, 39775, 41968, 45140, 52460, 56425, 63640, 65575, 79550, 90280, 97051, 104920, 112850, 127280, 131150, 159100, 180560, 194102, 209840, 225700, 262300, 318200, 388204, 451400, 485255, 524600, 636400, 776408, 902800, 970510, 1049200, 1552816, 1941020, 2426275, 3882040, 4852550, 7764080, 9705100, 19410200, 38820400]

約数ペア:

[(1, 38820400), (2, 19410200), (4, 9705100), (5, 7764080), (8, 4852550), (10, 3882040), (16, 2426275), (20, 1941020), (25, 1552816), (37, 1049200), (40, 970510), (43, 902800), (50, 776408), (61, 636400), (74, 524600), (80, 485255), (86, 451400), (100, 388204), (122, 318200), (148, 262300), (172, 225700), (185, 209840), (200, 194102), (215, 180560), (244, 159100), (296, 131150), (305, 127280), (344, 112850), (370, 104920), (400, 97051), (430, 90280), (488, 79550), (592, 65575), (610, 63640), (688, 56425), (740, 52460), (860, 45140), (925, 41968), (976, 39775), (1075, 36112), (1220, 31820), (1480, 26230), (1525, 25456), (1591, 24400), (1720, 22570), (1850, 20984), (2150, 18056), (2257, 17200), (2440, 15910), (2623, 14800), (2960, 13115), (3050, 12728), (3182, 12200), (3440, 11285), (3700, 10492), (4300, 9028), (4514, 8600), (4880, 7955), (5246, 7400), (6100, 6364)]