72009040

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4973}}^1$

素因数の和:5167

約数の個数: 40

約数和(自身を含む): 168379848

約数和(自身を除く): 96370808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 4973, 7240, 9946, 14480, 19892, 24865, 39784, 49730, 79568, 99460, 198920, 397840, 900113, 1800226, 3600452, 4500565, 7200904, 9001130, 14401808, 18002260, 36004520, 72009040]

約数ペア:

[(1, 72009040), (2, 36004520), (4, 18002260), (5, 14401808), (8, 9001130), (10, 7200904), (16, 4500565), (20, 3600452), (40, 1800226), (80, 900113), (181, 397840), (362, 198920), (724, 99460), (905, 79568), (1448, 49730), (1810, 39784), (2896, 24865), (3620, 19892), (4973, 14480), (7240, 9946)]