8901100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 21436128

約数和(自身を除く): 12535028

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 164, 167, 205, 260, 325, 334, 410, 533, 650, 668, 820, 835, 1025, 1066, 1300, 1670, 2050, 2132, 2171, 2665, 3340, 4100, 4175, 4342, 5330, 6847, 8350, 8684, 10660, 10855, 13325, 13694, 16700, 21710, 26650, 27388, 34235, 43420, 53300, 54275, 68470, 89011, 108550, 136940, 171175, 178022, 217100, 342350, 356044, 445055, 684700, 890110, 1780220, 2225275, 4450550, 8901100]

約数ペア:

[(1, 8901100), (2, 4450550), (4, 2225275), (5, 1780220), (10, 890110), (13, 684700), (20, 445055), (25, 356044), (26, 342350), (41, 217100), (50, 178022), (52, 171175), (65, 136940), (82, 108550), (100, 89011), (130, 68470), (164, 54275), (167, 53300), (205, 43420), (260, 34235), (325, 27388), (334, 26650), (410, 21710), (533, 16700), (650, 13694), (668, 13325), (820, 10855), (835, 10660), (1025, 8684), (1066, 8350), (1300, 6847), (1670, 5330), (2050, 4342), (2132, 4175), (2171, 4100), (2665, 3340)]