201151520

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17707}}^1$

素因数の和:17793

約数の個数: 48

約数和(自身を含む): 481940928

約数和(自身を除く): 280789408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 11360, 17707, 35414, 70828, 88535, 141656, 177070, 283312, 354140, 566624, 708280, 1257197, 1416560, 2514394, 2833120, 5028788, 6285985, 10057576, 12571970, 20115152, 25143940, 40230304, 50287880, 100575760, 201151520]

約数ペア:

[(1, 201151520), (2, 100575760), (4, 50287880), (5, 40230304), (8, 25143940), (10, 20115152), (16, 12571970), (20, 10057576), (32, 6285985), (40, 5028788), (71, 2833120), (80, 2514394), (142, 1416560), (160, 1257197), (284, 708280), (355, 566624), (568, 354140), (710, 283312), (1136, 177070), (1420, 141656), (2272, 88535), (2840, 70828), (5680, 35414), (11360, 17707)]