31673980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9371}}^1$

素因数の和:9406

約数の個数: 36

約数和(自身を含む): 72033192

約数和(自身を除く): 40359212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 9371, 18742, 37484, 46855, 93710, 121823, 187420, 243646, 487292, 609115, 1218230, 1583699, 2436460, 3167398, 6334796, 7918495, 15836990, 31673980]

約数ペア:

[(1, 31673980), (2, 15836990), (4, 7918495), (5, 6334796), (10, 3167398), (13, 2436460), (20, 1583699), (26, 1218230), (52, 609115), (65, 487292), (130, 243646), (169, 187420), (260, 121823), (338, 93710), (676, 46855), (845, 37484), (1690, 18742), (3380, 9371)]