28946920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42569}}^1$

素因数の和:42597

約数の個数: 32

約数和(自身を含む): 68963400

約数和(自身を除く): 40016480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 42569, 85138, 170276, 212845, 340552, 425690, 723673, 851380, 1447346, 1702760, 2894692, 3618365, 5789384, 7236730, 14473460, 28946920]

約数ペア:

[(1, 28946920), (2, 14473460), (4, 7236730), (5, 5789384), (8, 3618365), (10, 2894692), (17, 1702760), (20, 1447346), (34, 851380), (40, 723673), (68, 425690), (85, 340552), (136, 212845), (170, 170276), (340, 85138), (680, 42569)]