84242440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 195955200

約数和(自身を除く): 111712760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 79, 106, 158, 212, 265, 316, 395, 424, 503, 530, 632, 790, 1006, 1060, 1580, 2012, 2120, 2515, 3160, 4024, 4187, 5030, 8374, 10060, 16748, 20120, 20935, 26659, 33496, 39737, 41870, 53318, 79474, 83740, 106636, 133295, 158948, 167480, 198685, 213272, 266590, 317896, 397370, 533180, 794740, 1066360, 1589480, 2106061, 4212122, 8424244, 10530305, 16848488, 21060610, 42121220, 84242440]

約数ペア:

[(1, 84242440), (2, 42121220), (4, 21060610), (5, 16848488), (8, 10530305), (10, 8424244), (20, 4212122), (40, 2106061), (53, 1589480), (79, 1066360), (106, 794740), (158, 533180), (212, 397370), (265, 317896), (316, 266590), (395, 213272), (424, 198685), (503, 167480), (530, 158948), (632, 133295), (790, 106636), (1006, 83740), (1060, 79474), (1580, 53318), (2012, 41870), (2120, 39737), (2515, 33496), (3160, 26659), (4024, 20935), (4187, 20120), (5030, 16748), (8374, 10060)]