80484280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69383}}^1$

素因数の和:69423

約数の個数: 32

約数和(自身を含む): 187336800

約数和(自身を除く): 106852520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 69383, 138766, 277532, 346915, 555064, 693830, 1387660, 2012107, 2775320, 4024214, 8048428, 10060535, 16096856, 20121070, 40242140, 80484280]

約数ペア:

[(1, 80484280), (2, 40242140), (4, 20121070), (5, 16096856), (8, 10060535), (10, 8048428), (20, 4024214), (29, 2775320), (40, 2012107), (58, 1387660), (116, 693830), (145, 555064), (232, 346915), (290, 277532), (580, 138766), (1160, 69383)]