90730480

素因数分解:

$2^4\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1423}}^1$

素因数の和:2233

約数の個数: 40

約数和(自身を含む): 211361472

約数和(自身を除く): 120630992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 797, 1423, 1594, 2846, 3188, 3985, 5692, 6376, 7115, 7970, 11384, 12752, 14230, 15940, 22768, 28460, 31880, 56920, 63760, 113840, 1134131, 2268262, 4536524, 5670655, 9073048, 11341310, 18146096, 22682620, 45365240, 90730480]

約数ペア:

[(1, 90730480), (2, 45365240), (4, 22682620), (5, 18146096), (8, 11341310), (10, 9073048), (16, 5670655), (20, 4536524), (40, 2268262), (80, 1134131), (797, 113840), (1423, 63760), (1594, 56920), (2846, 31880), (3188, 28460), (3985, 22768), (5692, 15940), (6376, 14230), (7115, 12752), (7970, 11384)]