25120680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16103}}^1$

素因数の和:16130

約数の個数: 64

約数和(自身を含む): 81164160

約数和(自身を除く): 56043480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 16103, 32206, 48309, 64412, 80515, 96618, 128824, 161030, 193236, 209339, 241545, 322060, 386472, 418678, 483090, 628017, 644120, 837356, 966180, 1046695, 1256034, 1674712, 1932360, 2093390, 2512068, 3140085, 4186780, 5024136, 6280170, 8373560, 12560340, 25120680]

約数ペア:

[(1, 25120680), (2, 12560340), (3, 8373560), (4, 6280170), (5, 5024136), (6, 4186780), (8, 3140085), (10, 2512068), (12, 2093390), (13, 1932360), (15, 1674712), (20, 1256034), (24, 1046695), (26, 966180), (30, 837356), (39, 644120), (40, 628017), (52, 483090), (60, 418678), (65, 386472), (78, 322060), (104, 241545), (120, 209339), (130, 193236), (156, 161030), (195, 128824), (260, 96618), (312, 80515), (390, 64412), (520, 48309), (780, 32206), (1560, 16103)]