55131020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12703}}^1$

素因数の和:12750

約数の個数: 48

約数和(自身を含む): 136593408

約数和(自身を除く): 81462388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 12703, 25406, 50812, 63515, 88921, 127030, 177842, 254060, 355684, 393793, 444605, 787586, 889210, 1575172, 1778420, 1968965, 2756551, 3937930, 5513102, 7875860, 11026204, 13782755, 27565510, 55131020]

約数ペア:

[(1, 55131020), (2, 27565510), (4, 13782755), (5, 11026204), (7, 7875860), (10, 5513102), (14, 3937930), (20, 2756551), (28, 1968965), (31, 1778420), (35, 1575172), (62, 889210), (70, 787586), (124, 444605), (140, 393793), (155, 355684), (217, 254060), (310, 177842), (434, 127030), (620, 88921), (868, 63515), (1085, 50812), (2170, 25406), (4340, 12703)]