39890320

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2069}}^1$

素因数の和:2323

約数の個数: 40

約数和(自身を含む): 93174840

約数和(自身を除く): 53284520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2069, 2410, 3856, 4138, 4820, 8276, 9640, 10345, 16552, 19280, 20690, 33104, 41380, 82760, 165520, 498629, 997258, 1994516, 2493145, 3989032, 4986290, 7978064, 9972580, 19945160, 39890320]

約数ペア:

[(1, 39890320), (2, 19945160), (4, 9972580), (5, 7978064), (8, 4986290), (10, 3989032), (16, 2493145), (20, 1994516), (40, 997258), (80, 498629), (241, 165520), (482, 82760), (964, 41380), (1205, 33104), (1928, 20690), (2069, 19280), (2410, 16552), (3856, 10345), (4138, 9640), (4820, 8276)]