64401440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23677}}^1$

素因数の和:23709

約数の個数: 48

約数和(自身を含む): 161105112

約数和(自身を除く): 96703672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 23677, 47354, 94708, 118385, 189416, 236770, 378832, 402509, 473540, 757664, 805018, 947080, 1610036, 1894160, 2012545, 3220072, 3788320, 4025090, 6440144, 8050180, 12880288, 16100360, 32200720, 64401440]

約数ペア:

[(1, 64401440), (2, 32200720), (4, 16100360), (5, 12880288), (8, 8050180), (10, 6440144), (16, 4025090), (17, 3788320), (20, 3220072), (32, 2012545), (34, 1894160), (40, 1610036), (68, 947080), (80, 805018), (85, 757664), (136, 473540), (160, 402509), (170, 378832), (272, 236770), (340, 189416), (544, 118385), (680, 94708), (1360, 47354), (2720, 23677)]