8249313980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1\times {\mathrm{881}}^1$

素因数の和:1551

約数の個数: 96

約数和(自身を含む): 18732409920

約数和(自身を除く): 10483095940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 601, 779, 820, 881, 1202, 1558, 1762, 2404, 3005, 3116, 3524, 3895, 4405, 6010, 7790, 8810, 11419, 12020, 15580, 16739, 17620, 22838, 24641, 33478, 36121, 45676, 49282, 57095, 66956, 72242, 83695, 98564, 114190, 123205, 144484, 167390, 180605, 228380, 246410, 334780, 361210, 468179, 492820, 529481, 686299, 722420, 936358, 1058962, 1372598, 1872716, 2117924, 2340895, 2647405, 2745196, 3431495, 4681790, 5294810, 6862990, 9363580, 10060139, 10589620, 13725980, 20120278, 21708721, 40240556, 43417442, 50300695, 86834884, 100601390, 108543605, 201202780, 217087210, 412465699, 434174420, 824931398, 1649862796, 2062328495, 4124656990, 8249313980]

約数ペア:

[(1, 8249313980), (2, 4124656990), (4, 2062328495), (5, 1649862796), (10, 824931398), (19, 434174420), (20, 412465699), (38, 217087210), (41, 201202780), (76, 108543605), (82, 100601390), (95, 86834884), (164, 50300695), (190, 43417442), (205, 40240556), (380, 21708721), (410, 20120278), (601, 13725980), (779, 10589620), (820, 10060139), (881, 9363580), (1202, 6862990), (1558, 5294810), (1762, 4681790), (2404, 3431495), (3005, 2745196), (3116, 2647405), (3524, 2340895), (3895, 2117924), (4405, 1872716), (6010, 1372598), (7790, 1058962), (8810, 936358), (11419, 722420), (12020, 686299), (15580, 529481), (16739, 492820), (17620, 468179), (22838, 361210), (24641, 334780), (33478, 246410), (36121, 228380), (45676, 180605), (49282, 167390), (57095, 144484), (66956, 123205), (72242, 114190), (83695, 98564)]