40639784

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1601}}^1$

素因数の和:1793

約数の個数: 32

約数和(自身を含む): 80740800

約数和(自身を除く): 40101016

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 167, 334, 668, 1336, 1601, 3173, 3202, 6346, 6404, 12692, 12808, 25384, 30419, 60838, 121676, 243352, 267367, 534734, 1069468, 2138936, 5079973, 10159946, 20319892, 40639784]

約数ペア:

[(1, 40639784), (2, 20319892), (4, 10159946), (8, 5079973), (19, 2138936), (38, 1069468), (76, 534734), (152, 267367), (167, 243352), (334, 121676), (668, 60838), (1336, 30419), (1601, 25384), (3173, 12808), (3202, 12692), (6346, 6404)]