8167900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 19589024

約数和(自身を除く): 11421124

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 103, 122, 130, 206, 244, 260, 305, 325, 412, 515, 610, 650, 793, 1030, 1220, 1300, 1339, 1525, 1586, 2060, 2575, 2678, 3050, 3172, 3965, 5150, 5356, 6100, 6283, 6695, 7930, 10300, 12566, 13390, 15860, 19825, 25132, 26780, 31415, 33475, 39650, 62830, 66950, 79300, 81679, 125660, 133900, 157075, 163358, 314150, 326716, 408395, 628300, 816790, 1633580, 2041975, 4083950, 8167900]

約数ペア:

[(1, 8167900), (2, 4083950), (4, 2041975), (5, 1633580), (10, 816790), (13, 628300), (20, 408395), (25, 326716), (26, 314150), (50, 163358), (52, 157075), (61, 133900), (65, 125660), (100, 81679), (103, 79300), (122, 66950), (130, 62830), (206, 39650), (244, 33475), (260, 31415), (305, 26780), (325, 25132), (412, 19825), (515, 15860), (610, 13390), (650, 12566), (793, 10300), (1030, 7930), (1220, 6695), (1300, 6283), (1339, 6100), (1525, 5356), (1586, 5150), (2060, 3965), (2575, 3172), (2678, 3050)]