4047420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5189}}^1$

素因数の和:5214

約数の個数: 48

約数和(自身を含む): 12206880

約数和(自身を除く): 8159460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 5189, 10378, 15567, 20756, 25945, 31134, 51890, 62268, 67457, 77835, 103780, 134914, 155670, 202371, 269828, 311340, 337285, 404742, 674570, 809484, 1011855, 1349140, 2023710, 4047420]

約数ペア:

[(1, 4047420), (2, 2023710), (3, 1349140), (4, 1011855), (5, 809484), (6, 674570), (10, 404742), (12, 337285), (13, 311340), (15, 269828), (20, 202371), (26, 155670), (30, 134914), (39, 103780), (52, 77835), (60, 67457), (65, 62268), (78, 51890), (130, 31134), (156, 25945), (195, 20756), (260, 15567), (390, 10378), (780, 5189)]