155568920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{299171}}^1$

素因数の和:299195

約数の個数: 32

約数和(自身を含む): 376956720

約数和(自身を除く): 221387800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 299171, 598342, 1196684, 1495855, 2393368, 2991710, 3889223, 5983420, 7778446, 11966840, 15556892, 19446115, 31113784, 38892230, 77784460, 155568920]

約数ペア:

[(1, 155568920), (2, 77784460), (4, 38892230), (5, 31113784), (8, 19446115), (10, 15556892), (13, 11966840), (20, 7778446), (26, 5983420), (40, 3889223), (52, 2991710), (65, 2393368), (104, 1495855), (130, 1196684), (260, 598342), (520, 299171)]