91030880

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18353}}^1$

素因数の和:18399

約数の個数: 48

約数和(自身を含む): 222009984

約数和(自身を除く): 130979104

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, 18353, 36706, 73412, 91765, 146824, 183530, 293648, 367060, 568943, 587296, 734120, 1137886, 1468240, 2275772, 2844715, 2936480, 4551544, 5689430, 9103088, 11378860, 18206176, 22757720, 45515440, 91030880]

約数ペア:

[(1, 91030880), (2, 45515440), (4, 22757720), (5, 18206176), (8, 11378860), (10, 9103088), (16, 5689430), (20, 4551544), (31, 2936480), (32, 2844715), (40, 2275772), (62, 1468240), (80, 1137886), (124, 734120), (155, 587296), (160, 568943), (248, 367060), (310, 293648), (496, 183530), (620, 146824), (992, 91765), (1240, 73412), (2480, 36706), (4960, 18353)]