40279408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{983}}^1$

素因数の和:1201

約数の個数: 40

約数和(自身を含む): 84557088

約数和(自身を除く): 44277680

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 197, 208, 394, 788, 983, 1576, 1966, 2561, 3152, 3932, 5122, 7864, 10244, 12779, 15728, 20488, 25558, 40976, 51116, 102232, 193651, 204464, 387302, 774604, 1549208, 2517463, 3098416, 5034926, 10069852, 20139704, 40279408]

約数ペア:

[(1, 40279408), (2, 20139704), (4, 10069852), (8, 5034926), (13, 3098416), (16, 2517463), (26, 1549208), (52, 774604), (104, 387302), (197, 204464), (208, 193651), (394, 102232), (788, 51116), (983, 40976), (1576, 25558), (1966, 20488), (2561, 15728), (3152, 12779), (3932, 10244), (5122, 7864)]