55523320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1699}}^1$

素因数の和:1772

約数の個数: 64

約数和(自身を含む): 134640000

約数和(自身を除く): 79116680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1699, 1720, 3268, 3398, 4085, 6536, 6796, 8170, 8495, 13592, 16340, 16990, 32281, 32680, 33980, 64562, 67960, 73057, 129124, 146114, 161405, 258248, 292228, 322810, 365285, 584456, 645620, 730570, 1291240, 1388083, 1461140, 2776166, 2922280, 5552332, 6940415, 11104664, 13880830, 27761660, 55523320]

約数ペア:

[(1, 55523320), (2, 27761660), (4, 13880830), (5, 11104664), (8, 6940415), (10, 5552332), (19, 2922280), (20, 2776166), (38, 1461140), (40, 1388083), (43, 1291240), (76, 730570), (86, 645620), (95, 584456), (152, 365285), (172, 322810), (190, 292228), (215, 258248), (344, 161405), (380, 146114), (430, 129124), (760, 73057), (817, 67960), (860, 64562), (1634, 33980), (1699, 32680), (1720, 32281), (3268, 16990), (3398, 16340), (4085, 13592), (6536, 8495), (6796, 8170)]