163503920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65929}}^1$

素因数の和:65973

約数の個数: 40

約数和(自身を含む): 392415360

約数和(自身を除く): 228911440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 65929, 131858, 263716, 329645, 527432, 659290, 1054864, 1318580, 2043799, 2637160, 4087598, 5274320, 8175196, 10218995, 16350392, 20437990, 32700784, 40875980, 81751960, 163503920]

約数ペア:

[(1, 163503920), (2, 81751960), (4, 40875980), (5, 32700784), (8, 20437990), (10, 16350392), (16, 10218995), (20, 8175196), (31, 5274320), (40, 4087598), (62, 2637160), (80, 2043799), (124, 1318580), (155, 1054864), (248, 659290), (310, 527432), (496, 329645), (620, 263716), (1240, 131858), (2480, 65929)]