87065140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1193}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 189559440

約数和(自身を除く): 102494300

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 205, 356, 410, 445, 820, 890, 1193, 1780, 2386, 3649, 4772, 5965, 7298, 11930, 14596, 18245, 23860, 36490, 48913, 72980, 97826, 106177, 195652, 212354, 244565, 424708, 489130, 530885, 978260, 1061770, 2123540, 4353257, 8706514, 17413028, 21766285, 43532570, 87065140]

約数ペア:

[(1, 87065140), (2, 43532570), (4, 21766285), (5, 17413028), (10, 8706514), (20, 4353257), (41, 2123540), (82, 1061770), (89, 978260), (164, 530885), (178, 489130), (205, 424708), (356, 244565), (410, 212354), (445, 195652), (820, 106177), (890, 97826), (1193, 72980), (1780, 48913), (2386, 36490), (3649, 23860), (4772, 18245), (5965, 14596), (7298, 11930)]