72219680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34721}}^1$

素因数の和:34749

約数の個数: 48

約数和(自身を含む): 183748824

約数和(自身を除く): 111529144

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, 34721, 69442, 138884, 173605, 277768, 347210, 451373, 555536, 694420, 902746, 1111072, 1388840, 1805492, 2256865, 2777680, 3610984, 4513730, 5555360, 7221968, 9027460, 14443936, 18054920, 36109840, 72219680]

約数ペア:

[(1, 72219680), (2, 36109840), (4, 18054920), (5, 14443936), (8, 9027460), (10, 7221968), (13, 5555360), (16, 4513730), (20, 3610984), (26, 2777680), (32, 2256865), (40, 1805492), (52, 1388840), (65, 1111072), (80, 902746), (104, 694420), (130, 555536), (160, 451373), (208, 347210), (260, 277768), (416, 173605), (520, 138884), (1040, 69442), (2080, 34721)]