826328750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:487

約数の個数: 80

約数和(自身を含む): 1682873808

約数和(自身を除く): 856545058

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 211, 241, 250, 325, 422, 482, 625, 650, 1055, 1205, 1250, 1625, 2110, 2410, 2743, 3133, 3250, 5275, 5486, 6025, 6266, 8125, 10550, 12050, 13715, 15665, 16250, 26375, 27430, 30125, 31330, 50851, 52750, 60250, 68575, 78325, 101702, 131875, 137150, 150625, 156650, 254255, 263750, 301250, 342875, 391625, 508510, 661063, 685750, 783250, 1271275, 1322126, 1714375, 1958125, 2542550, 3305315, 3428750, 3916250, 6356375, 6610630, 12712750, 16526575, 31781875, 33053150, 63563750, 82632875, 165265750, 413164375, 826328750]

約数ペア:

[(1, 826328750), (2, 413164375), (5, 165265750), (10, 82632875), (13, 63563750), (25, 33053150), (26, 31781875), (50, 16526575), (65, 12712750), (125, 6610630), (130, 6356375), (211, 3916250), (241, 3428750), (250, 3305315), (325, 2542550), (422, 1958125), (482, 1714375), (625, 1322126), (650, 1271275), (1055, 783250), (1205, 685750), (1250, 661063), (1625, 508510), (2110, 391625), (2410, 342875), (2743, 301250), (3133, 263750), (3250, 254255), (5275, 156650), (5486, 150625), (6025, 137150), (6266, 131875), (8125, 101702), (10550, 78325), (12050, 68575), (13715, 60250), (15665, 52750), (16250, 50851), (26375, 31330), (27430, 30125)]