203054960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2082

約数の個数: 80

約数和(自身を含む): 499468032

約数和(自身を除く): 296413072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1640, 1997, 2480, 2542, 3280, 3994, 5084, 6355, 7988, 9985, 10168, 12710, 15976, 19970, 20336, 25420, 31952, 39940, 50840, 61907, 79880, 81877, 101680, 123814, 159760, 163754, 247628, 309535, 327508, 409385, 495256, 619070, 655016, 818770, 990512, 1238140, 1310032, 1637540, 2476280, 2538187, 3275080, 4952560, 5076374, 6550160, 10152748, 12690935, 20305496, 25381870, 40610992, 50763740, 101527480, 203054960]

約数ペア:

[(1, 203054960), (2, 101527480), (4, 50763740), (5, 40610992), (8, 25381870), (10, 20305496), (16, 12690935), (20, 10152748), (31, 6550160), (40, 5076374), (41, 4952560), (62, 3275080), (80, 2538187), (82, 2476280), (124, 1637540), (155, 1310032), (164, 1238140), (205, 990512), (248, 818770), (310, 655016), (328, 619070), (410, 495256), (496, 409385), (620, 327508), (656, 309535), (820, 247628), (1240, 163754), (1271, 159760), (1640, 123814), (1997, 101680), (2480, 81877), (2542, 79880), (3280, 61907), (3994, 50840), (5084, 39940), (6355, 31952), (7988, 25420), (9985, 20336), (10168, 19970), (12710, 15976)]