15851680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7621}}^1$

素因数の和:7649

約数の個数: 48

約数和(自身を含む): 40335624

約数和(自身を除く): 24483944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 7621, 15242, 30484, 38105, 60968, 76210, 99073, 121936, 152420, 198146, 243872, 304840, 396292, 495365, 609680, 792584, 990730, 1219360, 1585168, 1981460, 3170336, 3962920, 7925840, 15851680]

約数ペア:

[(1, 15851680), (2, 7925840), (4, 3962920), (5, 3170336), (8, 1981460), (10, 1585168), (13, 1219360), (16, 990730), (20, 792584), (26, 609680), (32, 495365), (40, 396292), (52, 304840), (65, 243872), (80, 198146), (104, 152420), (130, 121936), (160, 99073), (208, 76210), (260, 60968), (416, 38105), (520, 30484), (1040, 15242), (2080, 7621)]