40931890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1021}}^1$

素因数の和:1258

約数の個数: 32

約数和(自身を含む): 77999040

約数和(自身を除く): 37067150

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211, 422, 1021, 1055, 2042, 2110, 4009, 5105, 8018, 10210, 19399, 20045, 38798, 40090, 96995, 193990, 215431, 430862, 1077155, 2154310, 4093189, 8186378, 20465945, 40931890]

約数ペア:

[(1, 40931890), (2, 20465945), (5, 8186378), (10, 4093189), (19, 2154310), (38, 1077155), (95, 430862), (190, 215431), (211, 193990), (422, 96995), (1021, 40090), (1055, 38798), (2042, 20045), (2110, 19399), (4009, 10210), (5105, 8018)]