71340555320

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1571}}^1\times {\mathrm{4523}}^1$

素因数の和:6356

約数の個数: 64

約数和(自身を含む): 161293991040

約数和(自身を除く): 89953435720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 1571, 2008, 2510, 3142, 4523, 5020, 6284, 7855, 9046, 10040, 12568, 15710, 18092, 22615, 31420, 36184, 45230, 62840, 90460, 180920, 394321, 788642, 1135273, 1577284, 1971605, 2270546, 3154568, 3943210, 4541092, 5676365, 7105633, 7886420, 9082184, 11352730, 14211266, 15772840, 22705460, 28422532, 35528165, 45410920, 56845064, 71056330, 142112660, 284225320, 1783513883, 3567027766, 7134055532, 8917569415, 14268111064, 17835138830, 35670277660, 71340555320]

約数ペア:

[(1, 71340555320), (2, 35670277660), (4, 17835138830), (5, 14268111064), (8, 8917569415), (10, 7134055532), (20, 3567027766), (40, 1783513883), (251, 284225320), (502, 142112660), (1004, 71056330), (1255, 56845064), (1571, 45410920), (2008, 35528165), (2510, 28422532), (3142, 22705460), (4523, 15772840), (5020, 14211266), (6284, 11352730), (7855, 9082184), (9046, 7886420), (10040, 7105633), (12568, 5676365), (15710, 4541092), (18092, 3943210), (22615, 3154568), (31420, 2270546), (36184, 1971605), (45230, 1577284), (62840, 1135273), (90460, 788642), (180920, 394321)]