163739680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78721}}^1$

素因数の和:78749

約数の個数: 48

約数和(自身を含む): 416596824

約数和(自身を除く): 252857144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 78721, 157442, 314884, 393605, 629768, 787210, 1023373, 1259536, 1574420, 2046746, 2519072, 3148840, 4093492, 5116865, 6297680, 8186984, 10233730, 12595360, 16373968, 20467460, 32747936, 40934920, 81869840, 163739680]

約数ペア:

[(1, 163739680), (2, 81869840), (4, 40934920), (5, 32747936), (8, 20467460), (10, 16373968), (13, 12595360), (16, 10233730), (20, 8186984), (26, 6297680), (32, 5116865), (40, 4093492), (52, 3148840), (65, 2519072), (80, 2046746), (104, 1574420), (130, 1259536), (160, 1023373), (208, 787210), (260, 629768), (416, 393605), (520, 314884), (1040, 157442), (2080, 78721)]