12897640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 33672960

約数和(自身を除く): 20775320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 631, 730, 1022, 1262, 1460, 2044, 2524, 2555, 2920, 3155, 4088, 4417, 5048, 5110, 6310, 8834, 10220, 12620, 17668, 20440, 22085, 25240, 35336, 44170, 46063, 88340, 92126, 176680, 184252, 230315, 322441, 368504, 460630, 644882, 921260, 1289764, 1612205, 1842520, 2579528, 3224410, 6448820, 12897640]

約数ペア:

[(1, 12897640), (2, 6448820), (4, 3224410), (5, 2579528), (7, 1842520), (8, 1612205), (10, 1289764), (14, 921260), (20, 644882), (28, 460630), (35, 368504), (40, 322441), (56, 230315), (70, 184252), (73, 176680), (140, 92126), (146, 88340), (280, 46063), (292, 44170), (365, 35336), (511, 25240), (584, 22085), (631, 20440), (730, 17668), (1022, 12620), (1262, 10220), (1460, 8834), (2044, 6310), (2524, 5110), (2555, 5048), (2920, 4417), (3155, 4088)]