51246100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 117103616

約数和(自身を除く): 65857516

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 61, 62, 100, 122, 124, 155, 244, 271, 305, 310, 542, 610, 620, 775, 1084, 1220, 1355, 1525, 1550, 1891, 2710, 3050, 3100, 3782, 5420, 6100, 6775, 7564, 8401, 9455, 13550, 16531, 16802, 18910, 27100, 33062, 33604, 37820, 42005, 47275, 66124, 82655, 84010, 94550, 165310, 168020, 189100, 210025, 330620, 413275, 420050, 512461, 826550, 840100, 1024922, 1653100, 2049844, 2562305, 5124610, 10249220, 12811525, 25623050, 51246100]

約数ペア:

[(1, 51246100), (2, 25623050), (4, 12811525), (5, 10249220), (10, 5124610), (20, 2562305), (25, 2049844), (31, 1653100), (50, 1024922), (61, 840100), (62, 826550), (100, 512461), (122, 420050), (124, 413275), (155, 330620), (244, 210025), (271, 189100), (305, 168020), (310, 165310), (542, 94550), (610, 84010), (620, 82655), (775, 66124), (1084, 47275), (1220, 42005), (1355, 37820), (1525, 33604), (1550, 33062), (1891, 27100), (2710, 18910), (3050, 16802), (3100, 16531), (3782, 13550), (5420, 9455), (6100, 8401), (6775, 7564)]