25121800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:647

約数の個数: 96

約数和(自身を含む): 67183200

約数和(自身を除く): 42061400

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 88, 95, 100, 110, 152, 190, 200, 209, 220, 275, 380, 418, 440, 475, 550, 601, 760, 836, 950, 1045, 1100, 1202, 1672, 1900, 2090, 2200, 2404, 3005, 3800, 4180, 4808, 5225, 6010, 6611, 8360, 10450, 11419, 12020, 13222, 15025, 20900, 22838, 24040, 26444, 30050, 33055, 41800, 45676, 52888, 57095, 60100, 66110, 91352, 114190, 120200, 125609, 132220, 165275, 228380, 251218, 264440, 285475, 330550, 456760, 502436, 570950, 628045, 661100, 1004872, 1141900, 1256090, 1322200, 2283800, 2512180, 3140225, 5024360, 6280450, 12560900, 25121800]

約数ペア:

[(1, 25121800), (2, 12560900), (4, 6280450), (5, 5024360), (8, 3140225), (10, 2512180), (11, 2283800), (19, 1322200), (20, 1256090), (22, 1141900), (25, 1004872), (38, 661100), (40, 628045), (44, 570950), (50, 502436), (55, 456760), (76, 330550), (88, 285475), (95, 264440), (100, 251218), (110, 228380), (152, 165275), (190, 132220), (200, 125609), (209, 120200), (220, 114190), (275, 91352), (380, 66110), (418, 60100), (440, 57095), (475, 52888), (550, 45676), (601, 41800), (760, 33055), (836, 30050), (950, 26444), (1045, 24040), (1100, 22838), (1202, 20900), (1672, 15025), (1900, 13222), (2090, 12020), (2200, 11419), (2404, 10450), (3005, 8360), (3800, 6611), (4180, 6010), (4808, 5225)]