163680140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4957}}^1$

素因数の和:5106

約数の個数: 48

約数和(自身を含む): 373158912

約数和(自身を除く): 209478772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 4957, 6604, 8255, 9914, 16510, 19828, 24785, 33020, 49570, 64441, 99140, 128882, 257764, 322205, 629539, 644410, 1259078, 1288820, 2518156, 3147695, 6295390, 8184007, 12590780, 16368014, 32736028, 40920035, 81840070, 163680140]

約数ペア:

[(1, 163680140), (2, 81840070), (4, 40920035), (5, 32736028), (10, 16368014), (13, 12590780), (20, 8184007), (26, 6295390), (52, 3147695), (65, 2518156), (127, 1288820), (130, 1259078), (254, 644410), (260, 629539), (508, 322205), (635, 257764), (1270, 128882), (1651, 99140), (2540, 64441), (3302, 49570), (4957, 33020), (6604, 24785), (8255, 19828), (9914, 16510)]