126786920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1553}}^1$

素因数の和:1734

約数の個数: 64

約数和(自身を含む): 309370320

約数和(自身を除く): 182583400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 785, 1256, 1553, 1570, 2041, 3106, 3140, 4082, 6212, 6280, 7765, 8164, 10205, 12424, 15530, 16328, 20189, 20410, 31060, 40378, 40820, 62120, 80756, 81640, 100945, 161512, 201890, 243821, 403780, 487642, 807560, 975284, 1219105, 1950568, 2438210, 3169673, 4876420, 6339346, 9752840, 12678692, 15848365, 25357384, 31696730, 63393460, 126786920]

約数ペア:

[(1, 126786920), (2, 63393460), (4, 31696730), (5, 25357384), (8, 15848365), (10, 12678692), (13, 9752840), (20, 6339346), (26, 4876420), (40, 3169673), (52, 2438210), (65, 1950568), (104, 1219105), (130, 975284), (157, 807560), (260, 487642), (314, 403780), (520, 243821), (628, 201890), (785, 161512), (1256, 100945), (1553, 81640), (1570, 80756), (2041, 62120), (3106, 40820), (3140, 40378), (4082, 31060), (6212, 20410), (6280, 20189), (7765, 16328), (8164, 15530), (10205, 12424)]