49910620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1019}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 109670400

約数和(自身を除く): 59759780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1019, 1580, 2038, 2449, 4076, 4898, 5095, 9796, 10190, 12245, 20380, 24490, 31589, 48980, 63178, 80501, 126356, 157945, 161002, 315890, 322004, 402505, 631780, 805010, 1610020, 2495531, 4991062, 9982124, 12477655, 24955310, 49910620]

約数ペア:

[(1, 49910620), (2, 24955310), (4, 12477655), (5, 9982124), (10, 4991062), (20, 2495531), (31, 1610020), (62, 805010), (79, 631780), (124, 402505), (155, 322004), (158, 315890), (310, 161002), (316, 157945), (395, 126356), (620, 80501), (790, 63178), (1019, 48980), (1580, 31589), (2038, 24490), (2449, 20380), (4076, 12245), (4898, 10190), (5095, 9796)]