31411120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30203}}^1$

素因数の和:30229

約数の個数: 40

約数和(自身を含む): 78651216

約数和(自身を除く): 47240096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 30203, 60406, 120812, 151015, 241624, 302030, 392639, 483248, 604060, 785278, 1208120, 1570556, 1963195, 2416240, 3141112, 3926390, 6282224, 7852780, 15705560, 31411120]

約数ペア:

[(1, 31411120), (2, 15705560), (4, 7852780), (5, 6282224), (8, 3926390), (10, 3141112), (13, 2416240), (16, 1963195), (20, 1570556), (26, 1208120), (40, 785278), (52, 604060), (65, 483248), (80, 392639), (104, 302030), (130, 241624), (208, 151015), (260, 120812), (520, 60406), (1040, 30203)]