25080760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 60487200

約数和(自身を除く): 35406440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 541, 610, 760, 1082, 1159, 1220, 2164, 2318, 2440, 2705, 4328, 4636, 5410, 5795, 9272, 10279, 10820, 11590, 20558, 21640, 23180, 33001, 41116, 46360, 51395, 66002, 82232, 102790, 132004, 165005, 205580, 264008, 330010, 411160, 627019, 660020, 1254038, 1320040, 2508076, 3135095, 5016152, 6270190, 12540380, 25080760]

約数ペア:

[(1, 25080760), (2, 12540380), (4, 6270190), (5, 5016152), (8, 3135095), (10, 2508076), (19, 1320040), (20, 1254038), (38, 660020), (40, 627019), (61, 411160), (76, 330010), (95, 264008), (122, 205580), (152, 165005), (190, 132004), (244, 102790), (305, 82232), (380, 66002), (488, 51395), (541, 46360), (610, 41116), (760, 33001), (1082, 23180), (1159, 21640), (1220, 20558), (2164, 11590), (2318, 10820), (2440, 10279), (2705, 9272), (4328, 5795), (4636, 5410)]