25572500

素因数分解:

$2^2\times 5^4\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:270

約数の個数: 60

約数和(自身を含む): 57272292

約数和(自身を除く): 31699792

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 193, 212, 250, 265, 386, 500, 530, 625, 772, 965, 1060, 1250, 1325, 1930, 2500, 2650, 3860, 4825, 5300, 6625, 9650, 10229, 13250, 19300, 20458, 24125, 26500, 33125, 40916, 48250, 51145, 66250, 96500, 102290, 120625, 132500, 204580, 241250, 255725, 482500, 511450, 1022900, 1278625, 2557250, 5114500, 6393125, 12786250, 25572500]

約数ペア:

[(1, 25572500), (2, 12786250), (4, 6393125), (5, 5114500), (10, 2557250), (20, 1278625), (25, 1022900), (50, 511450), (53, 482500), (100, 255725), (106, 241250), (125, 204580), (193, 132500), (212, 120625), (250, 102290), (265, 96500), (386, 66250), (500, 51145), (530, 48250), (625, 40916), (772, 33125), (965, 26500), (1060, 24125), (1250, 20458), (1325, 19300), (1930, 13250), (2500, 10229), (2650, 9650), (3860, 6625), (4825, 5300)]