63888020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19841}}^1$

素因数の和:19880

約数の個数: 48

約数和(自身を含む): 160005888

約数和(自身を除く): 96117868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 19841, 39682, 79364, 99205, 138887, 198410, 277774, 396820, 456343, 555548, 694435, 912686, 1388870, 1825372, 2281715, 2777740, 3194401, 4563430, 6388802, 9126860, 12777604, 15972005, 31944010, 63888020]

約数ペア:

[(1, 63888020), (2, 31944010), (4, 15972005), (5, 12777604), (7, 9126860), (10, 6388802), (14, 4563430), (20, 3194401), (23, 2777740), (28, 2281715), (35, 1825372), (46, 1388870), (70, 912686), (92, 694435), (115, 555548), (140, 456343), (161, 396820), (230, 277774), (322, 198410), (460, 138887), (644, 99205), (805, 79364), (1610, 39682), (3220, 19841)]