40386944

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{1867}}^1$

素因数の和:1907

約数の個数: 48

約数和(自身を含む): 87170220

約数和(自身を除く): 46783276

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 832, 1352, 1664, 1867, 2704, 3734, 5408, 7468, 10816, 14936, 21632, 24271, 29872, 48542, 59744, 97084, 119488, 194168, 238976, 315523, 388336, 631046, 776672, 1262092, 1553344, 2524184, 3106688, 5048368, 10096736, 20193472, 40386944]

約数ペア:

[(1, 40386944), (2, 20193472), (4, 10096736), (8, 5048368), (13, 3106688), (16, 2524184), (26, 1553344), (32, 1262092), (52, 776672), (64, 631046), (104, 388336), (128, 315523), (169, 238976), (208, 194168), (338, 119488), (416, 97084), (676, 59744), (832, 48542), (1352, 29872), (1664, 24271), (1867, 21632), (2704, 14936), (3734, 10816), (5408, 7468)]