2509520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:172

約数の個数: 80

約数和(自身を含む): 6666240

約数和(自身を除く): 4156720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 127, 130, 152, 190, 208, 247, 254, 260, 304, 380, 494, 508, 520, 635, 760, 988, 1016, 1040, 1235, 1270, 1520, 1651, 1976, 2032, 2413, 2470, 2540, 3302, 3952, 4826, 4940, 5080, 6604, 8255, 9652, 9880, 10160, 12065, 13208, 16510, 19304, 19760, 24130, 26416, 31369, 33020, 38608, 48260, 62738, 66040, 96520, 125476, 132080, 156845, 193040, 250952, 313690, 501904, 627380, 1254760, 2509520]

約数ペア:

[(1, 2509520), (2, 1254760), (4, 627380), (5, 501904), (8, 313690), (10, 250952), (13, 193040), (16, 156845), (19, 132080), (20, 125476), (26, 96520), (38, 66040), (40, 62738), (52, 48260), (65, 38608), (76, 33020), (80, 31369), (95, 26416), (104, 24130), (127, 19760), (130, 19304), (152, 16510), (190, 13208), (208, 12065), (247, 10160), (254, 9880), (260, 9652), (304, 8255), (380, 6604), (494, 5080), (508, 4940), (520, 4826), (635, 3952), (760, 3302), (988, 2540), (1016, 2470), (1040, 2413), (1235, 2032), (1270, 1976), (1520, 1651)]