2140367080

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{4211}}^1$

素因数の和:4450

約数の個数: 64

約数和(自身を含む): 4903778880

約数和(自身を除く): 2763411800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 131, 194, 262, 388, 485, 524, 655, 776, 970, 1048, 1310, 1940, 2620, 3880, 4211, 5240, 8422, 12707, 16844, 21055, 25414, 33688, 42110, 50828, 63535, 84220, 101656, 127070, 168440, 254140, 408467, 508280, 551641, 816934, 1103282, 1633868, 2042335, 2206564, 2758205, 3267736, 4084670, 4413128, 5516410, 8169340, 11032820, 16338680, 22065640, 53509177, 107018354, 214036708, 267545885, 428073416, 535091770, 1070183540, 2140367080]

約数ペア:

[(1, 2140367080), (2, 1070183540), (4, 535091770), (5, 428073416), (8, 267545885), (10, 214036708), (20, 107018354), (40, 53509177), (97, 22065640), (131, 16338680), (194, 11032820), (262, 8169340), (388, 5516410), (485, 4413128), (524, 4084670), (655, 3267736), (776, 2758205), (970, 2206564), (1048, 2042335), (1310, 1633868), (1940, 1103282), (2620, 816934), (3880, 551641), (4211, 508280), (5240, 408467), (8422, 254140), (12707, 168440), (16844, 127070), (21055, 101656), (25414, 84220), (33688, 63535), (42110, 50828)]