49887500

素因数分解:

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

素因数の和:349

約数の個数: 72

約数和(自身を含む): 117898704

約数和(自身を除く): 68011204

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 307, 325, 500, 614, 625, 650, 1228, 1250, 1300, 1535, 1625, 2500, 3070, 3125, 3250, 3991, 6140, 6250, 6500, 7675, 7982, 8125, 12500, 15350, 15964, 16250, 19955, 30700, 32500, 38375, 39910, 40625, 76750, 79820, 81250, 99775, 153500, 162500, 191875, 199550, 383750, 399100, 498875, 767500, 959375, 997750, 1918750, 1995500, 2494375, 3837500, 4988750, 9977500, 12471875, 24943750, 49887500]

約数ペア:

[(1, 49887500), (2, 24943750), (4, 12471875), (5, 9977500), (10, 4988750), (13, 3837500), (20, 2494375), (25, 1995500), (26, 1918750), (50, 997750), (52, 959375), (65, 767500), (100, 498875), (125, 399100), (130, 383750), (250, 199550), (260, 191875), (307, 162500), (325, 153500), (500, 99775), (614, 81250), (625, 79820), (650, 76750), (1228, 40625), (1250, 39910), (1300, 38375), (1535, 32500), (1625, 30700), (2500, 19955), (3070, 16250), (3125, 15964), (3250, 15350), (3991, 12500), (6140, 8125), (6250, 7982), (6500, 7675)]