27718640

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{823}}^1$

素因数の和:1257

約数の個数: 40

約数和(自身を含む): 64677408

約数和(自身を除く): 36958768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 823, 842, 1646, 1684, 2105, 3292, 3368, 4115, 4210, 6584, 6736, 8230, 8420, 13168, 16460, 16840, 32920, 33680, 65840, 346483, 692966, 1385932, 1732415, 2771864, 3464830, 5543728, 6929660, 13859320, 27718640]

約数ペア:

[(1, 27718640), (2, 13859320), (4, 6929660), (5, 5543728), (8, 3464830), (10, 2771864), (16, 1732415), (20, 1385932), (40, 692966), (80, 346483), (421, 65840), (823, 33680), (842, 32920), (1646, 16840), (1684, 16460), (2105, 13168), (3292, 8420), (3368, 8230), (4115, 6736), (4210, 6584)]