11452520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3217}}^1$

素因数の和:3317

約数の個数: 32

約数和(自身を含む): 26065800

約数和(自身を除く): 14613280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3217, 3560, 6434, 12868, 16085, 25736, 32170, 64340, 128680, 286313, 572626, 1145252, 1431565, 2290504, 2863130, 5726260, 11452520]

約数ペア:

[(1, 11452520), (2, 5726260), (4, 2863130), (5, 2290504), (8, 1431565), (10, 1145252), (20, 572626), (40, 286313), (89, 128680), (178, 64340), (356, 32170), (445, 25736), (712, 16085), (890, 12868), (1780, 6434), (3217, 3560)]