13252720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12743}}^1$

素因数の和:12769

約数の個数: 40

約数和(自身を含む): 33185376

約数和(自身を除く): 19932656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12743, 25486, 50972, 63715, 101944, 127430, 165659, 203888, 254860, 331318, 509720, 662636, 828295, 1019440, 1325272, 1656590, 2650544, 3313180, 6626360, 13252720]

約数ペア:

[(1, 13252720), (2, 6626360), (4, 3313180), (5, 2650544), (8, 1656590), (10, 1325272), (13, 1019440), (16, 828295), (20, 662636), (26, 509720), (40, 331318), (52, 254860), (65, 203888), (80, 165659), (104, 127430), (130, 101944), (208, 63715), (260, 50972), (520, 25486), (1040, 12743)]