54789020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19157}}^1$

素因数の和:19190

約数の個数: 48

約数和(自身を含む): 135178848

約数和(自身を除く): 80389828

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 19157, 38314, 76628, 95785, 191570, 210727, 249041, 383140, 421454, 498082, 842908, 996164, 1053635, 1245205, 2107270, 2490410, 2739451, 4214540, 4980820, 5478902, 10957804, 13697255, 27394510, 54789020]

約数ペア:

[(1, 54789020), (2, 27394510), (4, 13697255), (5, 10957804), (10, 5478902), (11, 4980820), (13, 4214540), (20, 2739451), (22, 2490410), (26, 2107270), (44, 1245205), (52, 1053635), (55, 996164), (65, 842908), (110, 498082), (130, 421454), (143, 383140), (220, 249041), (260, 210727), (286, 191570), (572, 95785), (715, 76628), (1430, 38314), (2860, 19157)]