38816440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4391}}^1$

素因数の和:4432

約数の個数: 64

約数和(自身を含む): 99610560

約数和(自身を除く): 60794120

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4391, 4420, 8782, 8840, 17564, 21955, 35128, 43910, 57083, 74647, 87820, 114166, 149294, 175640, 228332, 285415, 298588, 373235, 456664, 570830, 597176, 746470, 970411, 1141660, 1492940, 1940822, 2283320, 2985880, 3881644, 4852055, 7763288, 9704110, 19408220, 38816440]

約数ペア:

[(1, 38816440), (2, 19408220), (4, 9704110), (5, 7763288), (8, 4852055), (10, 3881644), (13, 2985880), (17, 2283320), (20, 1940822), (26, 1492940), (34, 1141660), (40, 970411), (52, 746470), (65, 597176), (68, 570830), (85, 456664), (104, 373235), (130, 298588), (136, 285415), (170, 228332), (221, 175640), (260, 149294), (340, 114166), (442, 87820), (520, 74647), (680, 57083), (884, 43910), (1105, 35128), (1768, 21955), (2210, 17564), (4391, 8840), (4420, 8782)]