51145000

素因数分解:

$2^3\times 5^4\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 122726340

約数和(自身を除く): 71581340

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 125, 193, 200, 212, 250, 265, 386, 424, 500, 530, 625, 772, 965, 1000, 1060, 1250, 1325, 1544, 1930, 2120, 2500, 2650, 3860, 4825, 5000, 5300, 6625, 7720, 9650, 10229, 10600, 13250, 19300, 20458, 24125, 26500, 33125, 38600, 40916, 48250, 51145, 53000, 66250, 81832, 96500, 102290, 120625, 132500, 193000, 204580, 241250, 255725, 265000, 409160, 482500, 511450, 965000, 1022900, 1278625, 2045800, 2557250, 5114500, 6393125, 10229000, 12786250, 25572500, 51145000]

約数ペア:

[(1, 51145000), (2, 25572500), (4, 12786250), (5, 10229000), (8, 6393125), (10, 5114500), (20, 2557250), (25, 2045800), (40, 1278625), (50, 1022900), (53, 965000), (100, 511450), (106, 482500), (125, 409160), (193, 265000), (200, 255725), (212, 241250), (250, 204580), (265, 193000), (386, 132500), (424, 120625), (500, 102290), (530, 96500), (625, 81832), (772, 66250), (965, 53000), (1000, 51145), (1060, 48250), (1250, 40916), (1325, 38600), (1544, 33125), (1930, 26500), (2120, 24125), (2500, 20458), (2650, 19300), (3860, 13250), (4825, 10600), (5000, 10229), (5300, 9650), (6625, 7720)]