20132570320

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{49123}}^1$

素因数の和:49292

約数の個数: 80

約数和(自身を含む): 48243697920

約数和(自身を除く): 28111127600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 109, 188, 218, 235, 376, 436, 470, 545, 752, 872, 940, 1090, 1744, 1880, 2180, 3760, 4360, 5123, 8720, 10246, 20492, 25615, 40984, 49123, 51230, 81968, 98246, 102460, 196492, 204920, 245615, 392984, 409840, 491230, 785968, 982460, 1964920, 2308781, 3929840, 4617562, 5354407, 9235124, 10708814, 11543905, 18470248, 21417628, 23087810, 26772035, 36940496, 42835256, 46175620, 53544070, 85670512, 92351240, 107088140, 184702480, 214176280, 251657129, 428352560, 503314258, 1006628516, 1258285645, 2013257032, 2516571290, 4026514064, 5033142580, 10066285160, 20132570320]

約数ペア:

[(1, 20132570320), (2, 10066285160), (4, 5033142580), (5, 4026514064), (8, 2516571290), (10, 2013257032), (16, 1258285645), (20, 1006628516), (40, 503314258), (47, 428352560), (80, 251657129), (94, 214176280), (109, 184702480), (188, 107088140), (218, 92351240), (235, 85670512), (376, 53544070), (436, 46175620), (470, 42835256), (545, 36940496), (752, 26772035), (872, 23087810), (940, 21417628), (1090, 18470248), (1744, 11543905), (1880, 10708814), (2180, 9235124), (3760, 5354407), (4360, 4617562), (5123, 3929840), (8720, 2308781), (10246, 1964920), (20492, 982460), (25615, 785968), (40984, 491230), (49123, 409840), (51230, 392984), (81968, 245615), (98246, 204920), (102460, 196492)]