320306240

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5081}}^1$

素因数の和:5295

約数の個数: 56

約数和(自身を含む): 766751832

約数和(自身を除く): 446445592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 788, 985, 1576, 1970, 3152, 3940, 5081, 6304, 7880, 10162, 12608, 15760, 20324, 25405, 31520, 40648, 50810, 63040, 81296, 101620, 162592, 203240, 325184, 406480, 812960, 1000957, 1625920, 2001914, 4003828, 5004785, 8007656, 10009570, 16015312, 20019140, 32030624, 40038280, 64061248, 80076560, 160153120, 320306240]

約数ペア:

[(1, 320306240), (2, 160153120), (4, 80076560), (5, 64061248), (8, 40038280), (10, 32030624), (16, 20019140), (20, 16015312), (32, 10009570), (40, 8007656), (64, 5004785), (80, 4003828), (160, 2001914), (197, 1625920), (320, 1000957), (394, 812960), (788, 406480), (985, 325184), (1576, 203240), (1970, 162592), (3152, 101620), (3940, 81296), (5081, 63040), (6304, 50810), (7880, 40648), (10162, 31520), (12608, 25405), (15760, 20324)]