28932354560

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{364571}}^1$

素因数の和:364625

約数の個数: 80

約数和(自身を含む): 71607773952

約数和(自身を除く): 42675419392

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, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 9920, 15872, 19840, 39680, 79360, 364571, 729142, 1458284, 1822855, 2916568, 3645710, 5833136, 7291420, 11301701, 11666272, 14582840, 22603402, 23332544, 29165680, 45206804, 46665088, 56508505, 58331360, 90413608, 93330176, 113017010, 116662720, 180827216, 186660352, 226034020, 233325440, 361654432, 452068040, 466650880, 723308864, 904136080, 933301760, 1446617728, 1808272160, 2893235456, 3616544320, 5786470912, 7233088640, 14466177280, 28932354560]

約数ペア:

[(1, 28932354560), (2, 14466177280), (4, 7233088640), (5, 5786470912), (8, 3616544320), (10, 2893235456), (16, 1808272160), (20, 1446617728), (31, 933301760), (32, 904136080), (40, 723308864), (62, 466650880), (64, 452068040), (80, 361654432), (124, 233325440), (128, 226034020), (155, 186660352), (160, 180827216), (248, 116662720), (256, 113017010), (310, 93330176), (320, 90413608), (496, 58331360), (512, 56508505), (620, 46665088), (640, 45206804), (992, 29165680), (1240, 23332544), (1280, 22603402), (1984, 14582840), (2480, 11666272), (2560, 11301701), (3968, 7291420), (4960, 5833136), (7936, 3645710), (9920, 2916568), (15872, 1822855), (19840, 1458284), (39680, 729142), (79360, 364571)]