25889552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6551}}^1$

素因数の和:6591

約数の個数: 40

約数和(自身を含む): 56871360

約数和(自身を除く): 30981808

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 6551, 13102, 26204, 52408, 85163, 104816, 124469, 170326, 248938, 340652, 497876, 681304, 995752, 1362608, 1618097, 1991504, 3236194, 6472388, 12944776, 25889552]

約数ペア:

[(1, 25889552), (2, 12944776), (4, 6472388), (8, 3236194), (13, 1991504), (16, 1618097), (19, 1362608), (26, 995752), (38, 681304), (52, 497876), (76, 340652), (104, 248938), (152, 170326), (208, 124469), (247, 104816), (304, 85163), (494, 52408), (988, 26204), (1976, 13102), (3952, 6551)]