26193140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 57576960

約数和(自身を除く): 31383820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 509, 620, 830, 1018, 1660, 2036, 2545, 2573, 5090, 5146, 10180, 10292, 12865, 15779, 25730, 31558, 42247, 51460, 63116, 78895, 84494, 157790, 168988, 211235, 315580, 422470, 844940, 1309657, 2619314, 5238628, 6548285, 13096570, 26193140]

約数ペア:

[(1, 26193140), (2, 13096570), (4, 6548285), (5, 5238628), (10, 2619314), (20, 1309657), (31, 844940), (62, 422470), (83, 315580), (124, 211235), (155, 168988), (166, 157790), (310, 84494), (332, 78895), (415, 63116), (509, 51460), (620, 42247), (830, 31558), (1018, 25730), (1660, 15779), (2036, 12865), (2545, 10292), (2573, 10180), (5090, 5146)]