67205560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1048

約数の個数: 64

約数和(自身を含む): 158669280

約数和(自身を除く): 91463720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 953, 1640, 1720, 1763, 1906, 3526, 3812, 4765, 7052, 7624, 8815, 9530, 14104, 17630, 19060, 35260, 38120, 39073, 40979, 70520, 78146, 81958, 156292, 163916, 195365, 204895, 312584, 327832, 390730, 409790, 781460, 819580, 1562920, 1639160, 1680139, 3360278, 6720556, 8400695, 13441112, 16801390, 33602780, 67205560]

約数ペア:

[(1, 67205560), (2, 33602780), (4, 16801390), (5, 13441112), (8, 8400695), (10, 6720556), (20, 3360278), (40, 1680139), (41, 1639160), (43, 1562920), (82, 819580), (86, 781460), (164, 409790), (172, 390730), (205, 327832), (215, 312584), (328, 204895), (344, 195365), (410, 163916), (430, 156292), (820, 81958), (860, 78146), (953, 70520), (1640, 40979), (1720, 39073), (1763, 38120), (1906, 35260), (3526, 19060), (3812, 17630), (4765, 14104), (7052, 9530), (7624, 8815)]