1400005760

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{128677}}^1$

素因数の和:128713

約数の個数: 64

約数和(自身を含む): 3543792120

約数和(自身を除く): 2143786360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 128677, 257354, 514708, 643385, 1029416, 1286770, 2058832, 2187509, 2573540, 4117664, 4375018, 5147080, 8235328, 8750036, 10294160, 10937545, 16470656, 17500072, 20588320, 21875090, 35000144, 41176640, 43750180, 70000288, 82353280, 87500360, 140000576, 175000720, 280001152, 350001440, 700002880, 1400005760]

約数ペア:

[(1, 1400005760), (2, 700002880), (4, 350001440), (5, 280001152), (8, 175000720), (10, 140000576), (16, 87500360), (17, 82353280), (20, 70000288), (32, 43750180), (34, 41176640), (40, 35000144), (64, 21875090), (68, 20588320), (80, 17500072), (85, 16470656), (128, 10937545), (136, 10294160), (160, 8750036), (170, 8235328), (272, 5147080), (320, 4375018), (340, 4117664), (544, 2573540), (640, 2187509), (680, 2058832), (1088, 1286770), (1360, 1029416), (2176, 643385), (2720, 514708), (5440, 257354), (10880, 128677)]