66790012280

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{631}}^1\times {\mathrm{5303}}^1$

素因数の和:6444

約数の個数: 64

約数和(自身を含む): 150845760000

約数和(自身を除く): 84055747720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 631, 998, 1262, 1996, 2495, 2524, 3155, 3992, 4990, 5048, 5303, 6310, 9980, 10606, 12620, 19960, 21212, 25240, 26515, 42424, 53030, 106060, 212120, 314869, 629738, 1259476, 1574345, 2518952, 2646197, 3148690, 3346193, 5292394, 6297380, 6692386, 10584788, 12594760, 13230985, 13384772, 16730965, 21169576, 26461970, 26769544, 33461930, 52923940, 66923860, 105847880, 133847720, 1669750307, 3339500614, 6679001228, 8348751535, 13358002456, 16697503070, 33395006140, 66790012280]

約数ペア:

[(1, 66790012280), (2, 33395006140), (4, 16697503070), (5, 13358002456), (8, 8348751535), (10, 6679001228), (20, 3339500614), (40, 1669750307), (499, 133847720), (631, 105847880), (998, 66923860), (1262, 52923940), (1996, 33461930), (2495, 26769544), (2524, 26461970), (3155, 21169576), (3992, 16730965), (4990, 13384772), (5048, 13230985), (5303, 12594760), (6310, 10584788), (9980, 6692386), (10606, 6297380), (12620, 5292394), (19960, 3346193), (21212, 3148690), (25240, 2646197), (26515, 2518952), (42424, 1574345), (53030, 1259476), (106060, 629738), (212120, 314869)]