28417740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36433}}^1$

素因数の和:36458

約数の個数: 48

約数和(自身を含む): 85692768

約数和(自身を除く): 57275028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 36433, 72866, 109299, 145732, 182165, 218598, 364330, 437196, 473629, 546495, 728660, 947258, 1092990, 1420887, 1894516, 2185980, 2368145, 2841774, 4736290, 5683548, 7104435, 9472580, 14208870, 28417740]

約数ペア:

[(1, 28417740), (2, 14208870), (3, 9472580), (4, 7104435), (5, 5683548), (6, 4736290), (10, 2841774), (12, 2368145), (13, 2185980), (15, 1894516), (20, 1420887), (26, 1092990), (30, 947258), (39, 728660), (52, 546495), (60, 473629), (65, 437196), (78, 364330), (130, 218598), (156, 182165), (195, 145732), (260, 109299), (390, 72866), (780, 36433)]