196156640

素因数分解:

$2^5\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1987}}^1$

素因数の和:2619

約数の個数: 48

約数和(自身を含む): 464404752

約数和(自身を除く): 268248112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 617, 1234, 1987, 2468, 3085, 3974, 4936, 6170, 7948, 9872, 9935, 12340, 15896, 19744, 19870, 24680, 31792, 39740, 49360, 63584, 79480, 98720, 158960, 317920, 1225979, 2451958, 4903916, 6129895, 9807832, 12259790, 19615664, 24519580, 39231328, 49039160, 98078320, 196156640]

約数ペア:

[(1, 196156640), (2, 98078320), (4, 49039160), (5, 39231328), (8, 24519580), (10, 19615664), (16, 12259790), (20, 9807832), (32, 6129895), (40, 4903916), (80, 2451958), (160, 1225979), (617, 317920), (1234, 158960), (1987, 98720), (2468, 79480), (3085, 63584), (3974, 49360), (4936, 39740), (6170, 31792), (7948, 24680), (9872, 19870), (9935, 19744), (12340, 15896)]