4988750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:342

約数の個数: 40

約数和(自身を含む): 10103016

約数和(自身を除く): 5114266

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 307, 325, 614, 625, 650, 1250, 1535, 1625, 3070, 3250, 3991, 7675, 7982, 8125, 15350, 16250, 19955, 38375, 39910, 76750, 99775, 191875, 199550, 383750, 498875, 997750, 2494375, 4988750]

約数ペア:

[(1, 4988750), (2, 2494375), (5, 997750), (10, 498875), (13, 383750), (25, 199550), (26, 191875), (50, 99775), (65, 76750), (125, 39910), (130, 38375), (250, 19955), (307, 16250), (325, 15350), (614, 8125), (625, 7982), (650, 7675), (1250, 3991), (1535, 3250), (1625, 3070)]