80453131700

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1811}}^1\times {\mathrm{6257}}^1$

素因数の和:8153

約数の個数: 72

約数和(自身を含む): 177168285504

約数和(自身を除く): 96715153804

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 1811, 3550, 3622, 6257, 7100, 7244, 9055, 12514, 18110, 25028, 31285, 36220, 45275, 62570, 90550, 125140, 128581, 156425, 181100, 257162, 312850, 444247, 514324, 625700, 642905, 888494, 1285810, 1776988, 2221235, 2571620, 3214525, 4442470, 6429050, 8884940, 11106175, 11331427, 12858100, 22212350, 22662854, 44424700, 45325708, 56657135, 113314270, 226628540, 283285675, 566571350, 804531317, 1133142700, 1609062634, 3218125268, 4022656585, 8045313170, 16090626340, 20113282925, 40226565850, 80453131700]

約数ペア:

[(1, 80453131700), (2, 40226565850), (4, 20113282925), (5, 16090626340), (10, 8045313170), (20, 4022656585), (25, 3218125268), (50, 1609062634), (71, 1133142700), (100, 804531317), (142, 566571350), (284, 283285675), (355, 226628540), (710, 113314270), (1420, 56657135), (1775, 45325708), (1811, 44424700), (3550, 22662854), (3622, 22212350), (6257, 12858100), (7100, 11331427), (7244, 11106175), (9055, 8884940), (12514, 6429050), (18110, 4442470), (25028, 3214525), (31285, 2571620), (36220, 2221235), (45275, 1776988), (62570, 1285810), (90550, 888494), (125140, 642905), (128581, 625700), (156425, 514324), (181100, 444247), (257162, 312850)]