71506640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{14653}}^1$

素因数の和:14727

約数の個数: 40

約数和(自身を含む): 168989928

約数和(自身を除く): 97483288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 14653, 29306, 58612, 73265, 117224, 146530, 234448, 293060, 586120, 893833, 1172240, 1787666, 3575332, 4469165, 7150664, 8938330, 14301328, 17876660, 35753320, 71506640]

約数ペア:

[(1, 71506640), (2, 35753320), (4, 17876660), (5, 14301328), (8, 8938330), (10, 7150664), (16, 4469165), (20, 3575332), (40, 1787666), (61, 1172240), (80, 893833), (122, 586120), (244, 293060), (305, 234448), (488, 146530), (610, 117224), (976, 73265), (1220, 58612), (2440, 29306), (4880, 14653)]