156905425840

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3050261}}^1$

素因数の和:3050917

約数の個数: 40

約数和(自身を含む): 365372583408

約数和(自身を除く): 208467157568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 2572, 3215, 5144, 6430, 10288, 12860, 25720, 51440, 3050261, 6100522, 12201044, 15251305, 24402088, 30502610, 48804176, 61005220, 122010440, 244020880, 1961317823, 3922635646, 7845271292, 9806589115, 15690542584, 19613178230, 31381085168, 39226356460, 78452712920, 156905425840]

約数ペア:

[(1, 156905425840), (2, 78452712920), (4, 39226356460), (5, 31381085168), (8, 19613178230), (10, 15690542584), (16, 9806589115), (20, 7845271292), (40, 3922635646), (80, 1961317823), (643, 244020880), (1286, 122010440), (2572, 61005220), (3215, 48804176), (5144, 30502610), (6430, 24402088), (10288, 15251305), (12860, 12201044), (25720, 6100522), (51440, 3050261)]