26728250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 55935360

約数和(自身を除く): 29207110

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 125, 170, 190, 250, 323, 331, 425, 475, 646, 662, 850, 950, 1615, 1655, 2125, 2375, 3230, 3310, 4250, 4750, 5627, 6289, 8075, 8275, 11254, 12578, 16150, 16550, 28135, 31445, 40375, 41375, 56270, 62890, 80750, 82750, 106913, 140675, 157225, 213826, 281350, 314450, 534565, 703375, 786125, 1069130, 1406750, 1572250, 2672825, 5345650, 13364125, 26728250]

約数ペア:

[(1, 26728250), (2, 13364125), (5, 5345650), (10, 2672825), (17, 1572250), (19, 1406750), (25, 1069130), (34, 786125), (38, 703375), (50, 534565), (85, 314450), (95, 281350), (125, 213826), (170, 157225), (190, 140675), (250, 106913), (323, 82750), (331, 80750), (425, 62890), (475, 56270), (646, 41375), (662, 40375), (850, 31445), (950, 28135), (1615, 16550), (1655, 16150), (2125, 12578), (2375, 11254), (3230, 8275), (3310, 8075), (4250, 6289), (4750, 5627)]