65154560

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:875

約数の個数: 80

約数和(自身を含む): 161453952

約数和(自身を除く): 96299392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 821, 992, 1240, 1280, 1642, 1984, 2480, 2560, 3284, 3968, 4105, 4960, 6568, 7936, 8210, 9920, 13136, 15872, 16420, 19840, 25451, 26272, 32840, 39680, 50902, 52544, 65680, 79360, 101804, 105088, 127255, 131360, 203608, 210176, 254510, 262720, 407216, 420352, 509020, 525440, 814432, 1018040, 1050880, 1628864, 2036080, 2101760, 3257728, 4072160, 6515456, 8144320, 13030912, 16288640, 32577280, 65154560]

約数ペア:

[(1, 65154560), (2, 32577280), (4, 16288640), (5, 13030912), (8, 8144320), (10, 6515456), (16, 4072160), (20, 3257728), (31, 2101760), (32, 2036080), (40, 1628864), (62, 1050880), (64, 1018040), (80, 814432), (124, 525440), (128, 509020), (155, 420352), (160, 407216), (248, 262720), (256, 254510), (310, 210176), (320, 203608), (496, 131360), (512, 127255), (620, 105088), (640, 101804), (821, 79360), (992, 65680), (1240, 52544), (1280, 50902), (1642, 39680), (1984, 32840), (2480, 26272), (2560, 25451), (3284, 19840), (3968, 16420), (4105, 15872), (4960, 13136), (6568, 9920), (7936, 8210)]