72451600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13933}}^1$

素因数の和:13964

約数の個数: 60

約数和(自身を含む): 187468036

約数和(自身を除く): 115016436

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, 13933, 27866, 55732, 69665, 111464, 139330, 181129, 222928, 278660, 348325, 362258, 557320, 696650, 724516, 905645, 1114640, 1393300, 1449032, 1811290, 2786600, 2898064, 3622580, 4528225, 5573200, 7245160, 9056450, 14490320, 18112900, 36225800, 72451600]

約数ペア:

[(1, 72451600), (2, 36225800), (4, 18112900), (5, 14490320), (8, 9056450), (10, 7245160), (13, 5573200), (16, 4528225), (20, 3622580), (25, 2898064), (26, 2786600), (40, 1811290), (50, 1449032), (52, 1393300), (65, 1114640), (80, 905645), (100, 724516), (104, 696650), (130, 557320), (200, 362258), (208, 348325), (260, 278660), (325, 222928), (400, 181129), (520, 139330), (650, 111464), (1040, 69665), (1300, 55732), (2600, 27866), (5200, 13933)]