2500008560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{44201}}^1$

素因数の和:44322

約数の個数: 80

約数和(自身を含む): 6708802752

約数和(自身を除く): 4208794192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1414, 1616, 2020, 2828, 3535, 4040, 5656, 7070, 8080, 11312, 14140, 28280, 44201, 56560, 88402, 176804, 221005, 309407, 353608, 442010, 618814, 707216, 884020, 1237628, 1547035, 1768040, 2475256, 3094070, 3536080, 4464301, 4950512, 6188140, 8928602, 12376280, 17857204, 22321505, 24752560, 31250107, 35714408, 44643010, 62500214, 71428816, 89286020, 125000428, 156250535, 178572040, 250000856, 312501070, 357144080, 500001712, 625002140, 1250004280, 2500008560]

約数ペア:

[(1, 2500008560), (2, 1250004280), (4, 625002140), (5, 500001712), (7, 357144080), (8, 312501070), (10, 250000856), (14, 178572040), (16, 156250535), (20, 125000428), (28, 89286020), (35, 71428816), (40, 62500214), (56, 44643010), (70, 35714408), (80, 31250107), (101, 24752560), (112, 22321505), (140, 17857204), (202, 12376280), (280, 8928602), (404, 6188140), (505, 4950512), (560, 4464301), (707, 3536080), (808, 3094070), (1010, 2475256), (1414, 1768040), (1616, 1547035), (2020, 1237628), (2828, 884020), (3535, 707216), (4040, 618814), (5656, 442010), (7070, 353608), (8080, 309407), (11312, 221005), (14140, 176804), (28280, 88402), (44201, 56560)]