28540547380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{827}}^1\times {\mathrm{40129}}^1$

素因数の和:41008

約数の個数: 48

約数和(自身を含む): 61404678720

約数和(自身を除く): 32864131340

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 827, 860, 1654, 3308, 4135, 8270, 16540, 35561, 40129, 71122, 80258, 142244, 160516, 177805, 200645, 355610, 401290, 711220, 802580, 1725547, 3451094, 6902188, 8627735, 17255470, 33186683, 34510940, 66373366, 132746732, 165933415, 331866830, 663733660, 1427027369, 2854054738, 5708109476, 7135136845, 14270273690, 28540547380]

約数ペア:

[(1, 28540547380), (2, 14270273690), (4, 7135136845), (5, 5708109476), (10, 2854054738), (20, 1427027369), (43, 663733660), (86, 331866830), (172, 165933415), (215, 132746732), (430, 66373366), (827, 34510940), (860, 33186683), (1654, 17255470), (3308, 8627735), (4135, 6902188), (8270, 3451094), (16540, 1725547), (35561, 802580), (40129, 711220), (71122, 401290), (80258, 355610), (142244, 200645), (160516, 177805)]