80557460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 172730880

約数和(自身を除く): 92173420

約数列:

[1, 2, 4, 5, 10, 20, 89, 167, 178, 271, 334, 356, 445, 542, 668, 835, 890, 1084, 1355, 1670, 1780, 2710, 3340, 5420, 14863, 24119, 29726, 45257, 48238, 59452, 74315, 90514, 96476, 120595, 148630, 181028, 226285, 241190, 297260, 452570, 482380, 905140, 4027873, 8055746, 16111492, 20139365, 40278730, 80557460]

約数ペア:

[(1, 80557460), (2, 40278730), (4, 20139365), (5, 16111492), (10, 8055746), (20, 4027873), (89, 905140), (167, 482380), (178, 452570), (271, 297260), (334, 241190), (356, 226285), (445, 181028), (542, 148630), (668, 120595), (835, 96476), (890, 90514), (1084, 74315), (1355, 59452), (1670, 48238), (1780, 45257), (2710, 29726), (3340, 24119), (5420, 14863)]