89725540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{353}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 192689280

約数和(自身を除く): 102963740

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 179, 284, 353, 355, 358, 706, 710, 716, 895, 1412, 1420, 1765, 1790, 3530, 3580, 7060, 12709, 25063, 25418, 50126, 50836, 63187, 63545, 100252, 125315, 126374, 127090, 250630, 252748, 254180, 315935, 501260, 631870, 1263740, 4486277, 8972554, 17945108, 22431385, 44862770, 89725540]

約数ペア:

[(1, 89725540), (2, 44862770), (4, 22431385), (5, 17945108), (10, 8972554), (20, 4486277), (71, 1263740), (142, 631870), (179, 501260), (284, 315935), (353, 254180), (355, 252748), (358, 250630), (706, 127090), (710, 126374), (716, 125315), (895, 100252), (1412, 63545), (1420, 63187), (1765, 50836), (1790, 50126), (3530, 25418), (3580, 25063), (7060, 12709)]