42788990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1663}}^1$

素因数の和:1784

約数の個数: 32

約数和(自身を含む): 80510976

約数和(自身を除く): 37721986

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 830, 1663, 2573, 3326, 5146, 8315, 12865, 16630, 25730, 51553, 103106, 138029, 257765, 276058, 515530, 690145, 1380290, 4278899, 8557798, 21394495, 42788990]

約数ペア:

[(1, 42788990), (2, 21394495), (5, 8557798), (10, 4278899), (31, 1380290), (62, 690145), (83, 515530), (155, 276058), (166, 257765), (310, 138029), (415, 103106), (830, 51553), (1663, 25730), (2573, 16630), (3326, 12865), (5146, 8315)]