4405960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 11012400

約数和(自身を除く): 6606440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 229, 260, 296, 370, 458, 481, 520, 740, 916, 962, 1145, 1480, 1832, 1924, 2290, 2405, 2977, 3848, 4580, 4810, 5954, 8473, 9160, 9620, 11908, 14885, 16946, 19240, 23816, 29770, 33892, 42365, 59540, 67784, 84730, 110149, 119080, 169460, 220298, 338920, 440596, 550745, 881192, 1101490, 2202980, 4405960]

約数ペア:

[(1, 4405960), (2, 2202980), (4, 1101490), (5, 881192), (8, 550745), (10, 440596), (13, 338920), (20, 220298), (26, 169460), (37, 119080), (40, 110149), (52, 84730), (65, 67784), (74, 59540), (104, 42365), (130, 33892), (148, 29770), (185, 23816), (229, 19240), (260, 16946), (296, 14885), (370, 11908), (458, 9620), (481, 9160), (520, 8473), (740, 5954), (916, 4810), (962, 4580), (1145, 3848), (1480, 2977), (1832, 2405), (1924, 2290)]