38971820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1381}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 87762528

約数和(自身を除く): 48790708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 332, 340, 415, 830, 1381, 1411, 1660, 2762, 2822, 5524, 5644, 6905, 7055, 13810, 14110, 23477, 27620, 28220, 46954, 93908, 114623, 117385, 229246, 234770, 458492, 469540, 573115, 1146230, 1948591, 2292460, 3897182, 7794364, 9742955, 19485910, 38971820]

約数ペア:

[(1, 38971820), (2, 19485910), (4, 9742955), (5, 7794364), (10, 3897182), (17, 2292460), (20, 1948591), (34, 1146230), (68, 573115), (83, 469540), (85, 458492), (166, 234770), (170, 229246), (332, 117385), (340, 114623), (415, 93908), (830, 46954), (1381, 28220), (1411, 27620), (1660, 23477), (2762, 14110), (2822, 13810), (5524, 7055), (5644, 6905)]