40385688

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{571}}^1$

素因数の和:1008

約数の個数: 64

約数和(自身を含む): 115864320

約数和(自身を除く): 75478632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 421, 571, 842, 1142, 1263, 1684, 1713, 2284, 2526, 2947, 3368, 3426, 3997, 4568, 5052, 5894, 6852, 7994, 8841, 10104, 11788, 11991, 13704, 15988, 17682, 23576, 23982, 31976, 35364, 47964, 70728, 95928, 240391, 480782, 721173, 961564, 1442346, 1682737, 1923128, 2884692, 3365474, 5048211, 5769384, 6730948, 10096422, 13461896, 20192844, 40385688]

約数ペア:

[(1, 40385688), (2, 20192844), (3, 13461896), (4, 10096422), (6, 6730948), (7, 5769384), (8, 5048211), (12, 3365474), (14, 2884692), (21, 1923128), (24, 1682737), (28, 1442346), (42, 961564), (56, 721173), (84, 480782), (168, 240391), (421, 95928), (571, 70728), (842, 47964), (1142, 35364), (1263, 31976), (1684, 23982), (1713, 23576), (2284, 17682), (2526, 15988), (2947, 13704), (3368, 11991), (3426, 11788), (3997, 10104), (4568, 8841), (5052, 7994), (5894, 6852)]