15478640

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1013}}^1$

素因数の和:1217

約数の個数: 40

約数和(自身を含む): 36211968

約数和(自身を除く): 20733328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1013, 1528, 1910, 2026, 3056, 3820, 4052, 5065, 7640, 8104, 10130, 15280, 16208, 20260, 40520, 81040, 193483, 386966, 773932, 967415, 1547864, 1934830, 3095728, 3869660, 7739320, 15478640]

約数ペア:

[(1, 15478640), (2, 7739320), (4, 3869660), (5, 3095728), (8, 1934830), (10, 1547864), (16, 967415), (20, 773932), (40, 386966), (80, 193483), (191, 81040), (382, 40520), (764, 20260), (955, 16208), (1013, 15280), (1528, 10130), (1910, 8104), (2026, 7640), (3056, 5065), (3820, 4052)]