65268640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13159}}^1$

素因数の和:13205

約数の個数: 48

約数和(自身を含む): 159183360

約数和(自身を除く): 93914720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 13159, 26318, 52636, 65795, 105272, 131590, 210544, 263180, 407929, 421088, 526360, 815858, 1052720, 1631716, 2039645, 2105440, 3263432, 4079290, 6526864, 8158580, 13053728, 16317160, 32634320, 65268640]

約数ペア:

[(1, 65268640), (2, 32634320), (4, 16317160), (5, 13053728), (8, 8158580), (10, 6526864), (16, 4079290), (20, 3263432), (31, 2105440), (32, 2039645), (40, 1631716), (62, 1052720), (80, 815858), (124, 526360), (155, 421088), (160, 407929), (248, 263180), (310, 210544), (496, 131590), (620, 105272), (992, 65795), (1240, 52636), (2480, 26318), (4960, 13159)]