8893640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1422

約数の個数: 64

約数和(自身を含む): 23880960

約数和(自身を除く): 14987320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1381, 1610, 2762, 3220, 5524, 6440, 6905, 9667, 11048, 13810, 19334, 27620, 31763, 38668, 48335, 55240, 63526, 77336, 96670, 127052, 158815, 193340, 222341, 254104, 317630, 386680, 444682, 635260, 889364, 1111705, 1270520, 1778728, 2223410, 4446820, 8893640]

約数ペア:

[(1, 8893640), (2, 4446820), (4, 2223410), (5, 1778728), (7, 1270520), (8, 1111705), (10, 889364), (14, 635260), (20, 444682), (23, 386680), (28, 317630), (35, 254104), (40, 222341), (46, 193340), (56, 158815), (70, 127052), (92, 96670), (115, 77336), (140, 63526), (161, 55240), (184, 48335), (230, 38668), (280, 31763), (322, 27620), (460, 19334), (644, 13810), (805, 11048), (920, 9667), (1288, 6905), (1381, 6440), (1610, 5524), (2762, 3220)]