1245753860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{111427}}^1$

素因数の和:111492

約数の個数: 48

約数和(自身を含む): 2882865216

約数和(自身を除く): 1637111356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 111427, 222854, 445708, 557135, 1114270, 1448551, 2228540, 2897102, 4791361, 5794204, 7242755, 9582722, 14485510, 19165444, 23956805, 28971020, 47913610, 62287693, 95827220, 124575386, 249150772, 311438465, 622876930, 1245753860]

約数ペア:

[(1, 1245753860), (2, 622876930), (4, 311438465), (5, 249150772), (10, 124575386), (13, 95827220), (20, 62287693), (26, 47913610), (43, 28971020), (52, 23956805), (65, 19165444), (86, 14485510), (130, 9582722), (172, 7242755), (215, 5794204), (260, 4791361), (430, 2897102), (559, 2228540), (860, 1448551), (1118, 1114270), (2236, 557135), (2795, 445708), (5590, 222854), (11180, 111427)]