25171960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3011}}^1$

素因数の和:3052

約数の個数: 64

約数和(自身を含む): 65059200

約数和(自身を除く): 39887240

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 3011, 4180, 6022, 8360, 12044, 15055, 24088, 30110, 33121, 57209, 60220, 66242, 114418, 120440, 132484, 165605, 228836, 264968, 286045, 331210, 457672, 572090, 629299, 662420, 1144180, 1258598, 1324840, 2288360, 2517196, 3146495, 5034392, 6292990, 12585980, 25171960]

約数ペア:

[(1, 25171960), (2, 12585980), (4, 6292990), (5, 5034392), (8, 3146495), (10, 2517196), (11, 2288360), (19, 1324840), (20, 1258598), (22, 1144180), (38, 662420), (40, 629299), (44, 572090), (55, 457672), (76, 331210), (88, 286045), (95, 264968), (110, 228836), (152, 165605), (190, 132484), (209, 120440), (220, 114418), (380, 66242), (418, 60220), (440, 57209), (760, 33121), (836, 30110), (1045, 24088), (1672, 15055), (2090, 12044), (3011, 8360), (4180, 6022)]