13204750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 28304640

約数和(自身を除く): 15099890

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 125, 130, 170, 221, 239, 250, 325, 425, 442, 478, 650, 850, 1105, 1195, 1625, 2125, 2210, 2390, 3107, 3250, 4063, 4250, 5525, 5975, 6214, 8126, 11050, 11950, 15535, 20315, 27625, 29875, 31070, 40630, 52819, 55250, 59750, 77675, 101575, 105638, 155350, 203150, 264095, 388375, 507875, 528190, 776750, 1015750, 1320475, 2640950, 6602375, 13204750]

約数ペア:

[(1, 13204750), (2, 6602375), (5, 2640950), (10, 1320475), (13, 1015750), (17, 776750), (25, 528190), (26, 507875), (34, 388375), (50, 264095), (65, 203150), (85, 155350), (125, 105638), (130, 101575), (170, 77675), (221, 59750), (239, 55250), (250, 52819), (325, 40630), (425, 31070), (442, 29875), (478, 27625), (650, 20315), (850, 15535), (1105, 11950), (1195, 11050), (1625, 8126), (2125, 6214), (2210, 5975), (2390, 5525), (3107, 4250), (3250, 4063)]