48972020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 105649488

約数和(自身を除く): 56677468

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 137, 244, 274, 293, 305, 548, 586, 610, 685, 1172, 1220, 1370, 1465, 2740, 2930, 5860, 8357, 16714, 17873, 33428, 35746, 40141, 41785, 71492, 80282, 83570, 89365, 160564, 167140, 178730, 200705, 357460, 401410, 802820, 2448601, 4897202, 9794404, 12243005, 24486010, 48972020]

約数ペア:

[(1, 48972020), (2, 24486010), (4, 12243005), (5, 9794404), (10, 4897202), (20, 2448601), (61, 802820), (122, 401410), (137, 357460), (244, 200705), (274, 178730), (293, 167140), (305, 160564), (548, 89365), (586, 83570), (610, 80282), (685, 71492), (1172, 41785), (1220, 40141), (1370, 35746), (1465, 33428), (2740, 17873), (2930, 16714), (5860, 8357)]