201877520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{194113}}^1$

素因数の和:194139

約数の個数: 40

約数和(自身を含む): 505472856

約数和(自身を除く): 303595336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 194113, 388226, 776452, 970565, 1552904, 1941130, 2523469, 3105808, 3882260, 5046938, 7764520, 10093876, 12617345, 15529040, 20187752, 25234690, 40375504, 50469380, 100938760, 201877520]

約数ペア:

[(1, 201877520), (2, 100938760), (4, 50469380), (5, 40375504), (8, 25234690), (10, 20187752), (13, 15529040), (16, 12617345), (20, 10093876), (26, 7764520), (40, 5046938), (52, 3882260), (65, 3105808), (80, 2523469), (104, 1941130), (130, 1552904), (208, 970565), (260, 776452), (520, 388226), (1040, 194113)]