5200020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{4127}}^1$

素因数の和:4149

約数の個数: 72

約数和(自身を含む): 18031104

約数和(自身を除く): 12831084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 4127, 8254, 12381, 16508, 20635, 24762, 28889, 37143, 41270, 49524, 57778, 61905, 74286, 82540, 86667, 115556, 123810, 144445, 148572, 173334, 185715, 247620, 260001, 288890, 346668, 371430, 433335, 520002, 577780, 742860, 866670, 1040004, 1300005, 1733340, 2600010, 5200020]

約数ペア:

[(1, 5200020), (2, 2600010), (3, 1733340), (4, 1300005), (5, 1040004), (6, 866670), (7, 742860), (9, 577780), (10, 520002), (12, 433335), (14, 371430), (15, 346668), (18, 288890), (20, 260001), (21, 247620), (28, 185715), (30, 173334), (35, 148572), (36, 144445), (42, 123810), (45, 115556), (60, 86667), (63, 82540), (70, 74286), (84, 61905), (90, 57778), (105, 49524), (126, 41270), (140, 37143), (180, 28889), (210, 24762), (252, 20635), (315, 16508), (420, 12381), (630, 8254), (1260, 4127)]