123758240

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9791}}^1$

素因数の和:9885

約数の個数: 48

約数和(自身を含む): 296110080

約数和(自身を除く): 172351840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 9791, 12640, 19582, 39164, 48955, 78328, 97910, 156656, 195820, 313312, 391640, 773489, 783280, 1546978, 1566560, 3093956, 3867445, 6187912, 7734890, 12375824, 15469780, 24751648, 30939560, 61879120, 123758240]

約数ペア:

[(1, 123758240), (2, 61879120), (4, 30939560), (5, 24751648), (8, 15469780), (10, 12375824), (16, 7734890), (20, 6187912), (32, 3867445), (40, 3093956), (79, 1566560), (80, 1546978), (158, 783280), (160, 773489), (316, 391640), (395, 313312), (632, 195820), (790, 156656), (1264, 97910), (1580, 78328), (2528, 48955), (3160, 39164), (6320, 19582), (9791, 12640)]