64648450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4003}}^1$

素因数の和:4051

約数の個数: 48

約数和(自身を含む): 134053920

約数和(自身を除く): 69405470

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 170, 190, 323, 425, 475, 646, 850, 950, 1615, 3230, 4003, 8006, 8075, 16150, 20015, 40030, 68051, 76057, 100075, 136102, 152114, 200150, 340255, 380285, 680510, 760570, 1292969, 1701275, 1901425, 2585938, 3402550, 3802850, 6464845, 12929690, 32324225, 64648450]

約数ペア:

[(1, 64648450), (2, 32324225), (5, 12929690), (10, 6464845), (17, 3802850), (19, 3402550), (25, 2585938), (34, 1901425), (38, 1701275), (50, 1292969), (85, 760570), (95, 680510), (170, 380285), (190, 340255), (323, 200150), (425, 152114), (475, 136102), (646, 100075), (850, 76057), (950, 68051), (1615, 40030), (3230, 20015), (4003, 16150), (8006, 8075)]