1089140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 2540160

約数和(自身を除く): 1451020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 71, 118, 130, 142, 236, 260, 284, 295, 355, 590, 710, 767, 923, 1180, 1420, 1534, 1846, 3068, 3692, 3835, 4189, 4615, 7670, 8378, 9230, 15340, 16756, 18460, 20945, 41890, 54457, 83780, 108914, 217828, 272285, 544570, 1089140]

約数ペア:

[(1, 1089140), (2, 544570), (4, 272285), (5, 217828), (10, 108914), (13, 83780), (20, 54457), (26, 41890), (52, 20945), (59, 18460), (65, 16756), (71, 15340), (118, 9230), (130, 8378), (142, 7670), (236, 4615), (260, 4189), (284, 3835), (295, 3692), (355, 3068), (590, 1846), (710, 1534), (767, 1420), (923, 1180)]