25665900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6581}}^1$

素因数の和:6611

約数の個数: 72

約数和(自身を含む): 79984464

約数和(自身を除く): 54318564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 6581, 13162, 19743, 26324, 32905, 39486, 65810, 78972, 85553, 98715, 131620, 164525, 171106, 197430, 256659, 329050, 342212, 394860, 427765, 493575, 513318, 658100, 855530, 987150, 1026636, 1283295, 1711060, 1974300, 2138825, 2566590, 4277650, 5133180, 6416475, 8555300, 12832950, 25665900]

約数ペア:

[(1, 25665900), (2, 12832950), (3, 8555300), (4, 6416475), (5, 5133180), (6, 4277650), (10, 2566590), (12, 2138825), (13, 1974300), (15, 1711060), (20, 1283295), (25, 1026636), (26, 987150), (30, 855530), (39, 658100), (50, 513318), (52, 493575), (60, 427765), (65, 394860), (75, 342212), (78, 329050), (100, 256659), (130, 197430), (150, 171106), (156, 164525), (195, 131620), (260, 98715), (300, 85553), (325, 78972), (390, 65810), (650, 39486), (780, 32905), (975, 26324), (1300, 19743), (1950, 13162), (3900, 6581)]