2028796640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{975383}}^1$

素因数の和:975411

約数の個数: 48

約数和(自身を含む): 5161732128

約数和(自身を除く): 3132935488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 975383, 1950766, 3901532, 4876915, 7803064, 9753830, 12679979, 15606128, 19507660, 25359958, 31212256, 39015320, 50719916, 63399895, 78030640, 101439832, 126799790, 156061280, 202879664, 253599580, 405759328, 507199160, 1014398320, 2028796640]

約数ペア:

[(1, 2028796640), (2, 1014398320), (4, 507199160), (5, 405759328), (8, 253599580), (10, 202879664), (13, 156061280), (16, 126799790), (20, 101439832), (26, 78030640), (32, 63399895), (40, 50719916), (52, 39015320), (65, 31212256), (80, 25359958), (104, 19507660), (130, 15606128), (160, 12679979), (208, 9753830), (260, 7803064), (416, 4876915), (520, 3901532), (1040, 1950766), (2080, 975383)]