2128589720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3130279}}^1$

素因数の和:3130307

約数の個数: 32

約数和(自身を含む): 5071053600

約数和(自身を除く): 2942463880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 3130279, 6260558, 12521116, 15651395, 25042232, 31302790, 53214743, 62605580, 106429486, 125211160, 212858972, 266073715, 425717944, 532147430, 1064294860, 2128589720]

約数ペア:

[(1, 2128589720), (2, 1064294860), (4, 532147430), (5, 425717944), (8, 266073715), (10, 212858972), (17, 125211160), (20, 106429486), (34, 62605580), (40, 53214743), (68, 31302790), (85, 25042232), (136, 15651395), (170, 12521116), (340, 6260558), (680, 3130279)]