64963640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{232013}}^1$

素因数の和:232031

約数の個数: 32

約数和(自身を含む): 167050080

約数和(自身を除く): 102086440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 232013, 464026, 928052, 1160065, 1624091, 1856104, 2320130, 3248182, 4640260, 6496364, 8120455, 9280520, 12992728, 16240910, 32481820, 64963640]

約数ペア:

[(1, 64963640), (2, 32481820), (4, 16240910), (5, 12992728), (7, 9280520), (8, 8120455), (10, 6496364), (14, 4640260), (20, 3248182), (28, 2320130), (35, 1856104), (40, 1624091), (56, 1160065), (70, 928052), (140, 464026), (280, 232013)]