87325520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:892

約数の個数: 80

約数和(自身を含む): 216920640

約数和(自身を除く): 129595120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 73, 76, 80, 95, 146, 152, 190, 292, 304, 365, 380, 584, 730, 760, 787, 1168, 1387, 1460, 1520, 1574, 2774, 2920, 3148, 3935, 5548, 5840, 6296, 6935, 7870, 11096, 12592, 13870, 14953, 15740, 22192, 27740, 29906, 31480, 55480, 57451, 59812, 62960, 74765, 110960, 114902, 119624, 149530, 229804, 239248, 287255, 299060, 459608, 574510, 598120, 919216, 1091569, 1149020, 1196240, 2183138, 2298040, 4366276, 4596080, 5457845, 8732552, 10915690, 17465104, 21831380, 43662760, 87325520]

約数ペア:

[(1, 87325520), (2, 43662760), (4, 21831380), (5, 17465104), (8, 10915690), (10, 8732552), (16, 5457845), (19, 4596080), (20, 4366276), (38, 2298040), (40, 2183138), (73, 1196240), (76, 1149020), (80, 1091569), (95, 919216), (146, 598120), (152, 574510), (190, 459608), (292, 299060), (304, 287255), (365, 239248), (380, 229804), (584, 149530), (730, 119624), (760, 114902), (787, 110960), (1168, 74765), (1387, 62960), (1460, 59812), (1520, 57451), (1574, 55480), (2774, 31480), (2920, 29906), (3148, 27740), (3935, 22192), (5548, 15740), (5840, 14953), (6296, 13870), (6935, 12592), (7870, 11096)]