39938340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51203}}^1$

素因数の和:51228

約数の個数: 48

約数和(自身を含む): 120431808

約数和(自身を除く): 80493468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 51203, 102406, 153609, 204812, 256015, 307218, 512030, 614436, 665639, 768045, 1024060, 1331278, 1536090, 1996917, 2662556, 3072180, 3328195, 3993834, 6656390, 7987668, 9984585, 13312780, 19969170, 39938340]

約数ペア:

[(1, 39938340), (2, 19969170), (3, 13312780), (4, 9984585), (5, 7987668), (6, 6656390), (10, 3993834), (12, 3328195), (13, 3072180), (15, 2662556), (20, 1996917), (26, 1536090), (30, 1331278), (39, 1024060), (52, 768045), (60, 665639), (65, 614436), (78, 512030), (130, 307218), (156, 256015), (195, 204812), (260, 153609), (390, 102406), (780, 51203)]