25986680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 63590400

約数和(自身を除く): 37603720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1103, 1178, 1240, 2206, 2356, 2945, 4412, 4712, 5515, 5890, 8824, 11030, 11780, 20957, 22060, 23560, 34193, 41914, 44120, 68386, 83828, 104785, 136772, 167656, 170965, 209570, 273544, 341930, 419140, 649667, 683860, 838280, 1299334, 1367720, 2598668, 3248335, 5197336, 6496670, 12993340, 25986680]

約数ペア:

[(1, 25986680), (2, 12993340), (4, 6496670), (5, 5197336), (8, 3248335), (10, 2598668), (19, 1367720), (20, 1299334), (31, 838280), (38, 683860), (40, 649667), (62, 419140), (76, 341930), (95, 273544), (124, 209570), (152, 170965), (155, 167656), (190, 136772), (248, 104785), (310, 83828), (380, 68386), (589, 44120), (620, 41914), (760, 34193), (1103, 23560), (1178, 22060), (1240, 20957), (2206, 11780), (2356, 11030), (2945, 8824), (4412, 5890), (4712, 5515)]