1658320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1123

約数の個数: 40

約数和(自身を含む): 4062240

約数和(自身を除く): 2403920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1091, 1520, 2182, 4364, 5455, 8728, 10910, 17456, 20729, 21820, 41458, 43640, 82916, 87280, 103645, 165832, 207290, 331664, 414580, 829160, 1658320]

約数ペア:

[(1, 1658320), (2, 829160), (4, 414580), (5, 331664), (8, 207290), (10, 165832), (16, 103645), (19, 87280), (20, 82916), (38, 43640), (40, 41458), (76, 21820), (80, 20729), (95, 17456), (152, 10910), (190, 8728), (304, 5455), (380, 4364), (760, 2182), (1091, 1520)]