25537520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 63879840

約数和(自身を除く): 38342320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 53, 76, 80, 95, 106, 152, 190, 212, 265, 304, 317, 380, 424, 530, 634, 760, 848, 1007, 1060, 1268, 1520, 1585, 2014, 2120, 2536, 3170, 4028, 4240, 5035, 5072, 6023, 6340, 8056, 10070, 12046, 12680, 16112, 16801, 20140, 24092, 25360, 30115, 33602, 40280, 48184, 60230, 67204, 80560, 84005, 96368, 120460, 134408, 168010, 240920, 268816, 319219, 336020, 481840, 638438, 672040, 1276876, 1344080, 1596095, 2553752, 3192190, 5107504, 6384380, 12768760, 25537520]

約数ペア:

[(1, 25537520), (2, 12768760), (4, 6384380), (5, 5107504), (8, 3192190), (10, 2553752), (16, 1596095), (19, 1344080), (20, 1276876), (38, 672040), (40, 638438), (53, 481840), (76, 336020), (80, 319219), (95, 268816), (106, 240920), (152, 168010), (190, 134408), (212, 120460), (265, 96368), (304, 84005), (317, 80560), (380, 67204), (424, 60230), (530, 48184), (634, 40280), (760, 33602), (848, 30115), (1007, 25360), (1060, 24092), (1268, 20140), (1520, 16801), (1585, 16112), (2014, 12680), (2120, 12046), (2536, 10070), (3170, 8056), (4028, 6340), (4240, 6023), (5035, 5072)]