139786400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13441}}^1$

素因数の和:13474

約数の個数: 72

約数和(自身を含む): 367531164

約数和(自身を除く): 227744764

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 13441, 26882, 53764, 67205, 107528, 134410, 174733, 215056, 268820, 336025, 349466, 430112, 537640, 672050, 698932, 873665, 1075280, 1344100, 1397864, 1747330, 2150560, 2688200, 2795728, 3494660, 4368325, 5376400, 5591456, 6989320, 8736650, 10752800, 13978640, 17473300, 27957280, 34946600, 69893200, 139786400]

約数ペア:

[(1, 139786400), (2, 69893200), (4, 34946600), (5, 27957280), (8, 17473300), (10, 13978640), (13, 10752800), (16, 8736650), (20, 6989320), (25, 5591456), (26, 5376400), (32, 4368325), (40, 3494660), (50, 2795728), (52, 2688200), (65, 2150560), (80, 1747330), (100, 1397864), (104, 1344100), (130, 1075280), (160, 873665), (200, 698932), (208, 672050), (260, 537640), (325, 430112), (400, 349466), (416, 336025), (520, 268820), (650, 215056), (800, 174733), (1040, 134410), (1300, 107528), (2080, 67205), (2600, 53764), (5200, 26882), (10400, 13441)]