40336400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7757}}^1$

素因数の和:7788

約数の個数: 60

約数和(自身を含む): 104376132

約数和(自身を除く): 64039732

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 7757, 15514, 31028, 38785, 62056, 77570, 100841, 124112, 155140, 193925, 201682, 310280, 387850, 403364, 504205, 620560, 775700, 806728, 1008410, 1551400, 1613456, 2016820, 2521025, 3102800, 4033640, 5042050, 8067280, 10084100, 20168200, 40336400]

約数ペア:

[(1, 40336400), (2, 20168200), (4, 10084100), (5, 8067280), (8, 5042050), (10, 4033640), (13, 3102800), (16, 2521025), (20, 2016820), (25, 1613456), (26, 1551400), (40, 1008410), (50, 806728), (52, 775700), (65, 620560), (80, 504205), (100, 403364), (104, 387850), (130, 310280), (200, 201682), (208, 193925), (260, 155140), (325, 124112), (400, 100841), (520, 77570), (650, 62056), (1040, 38785), (1300, 31028), (2600, 15514), (5200, 7757)]