42865940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{953}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 97605648

約数和(自身を除く): 54739708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 692, 865, 953, 1730, 1906, 2249, 3460, 3812, 4498, 4765, 8996, 9530, 11245, 12389, 19060, 22490, 24778, 44980, 49556, 61945, 123890, 164869, 247780, 329738, 659476, 824345, 1648690, 2143297, 3297380, 4286594, 8573188, 10716485, 21432970, 42865940]

約数ペア:

[(1, 42865940), (2, 21432970), (4, 10716485), (5, 8573188), (10, 4286594), (13, 3297380), (20, 2143297), (26, 1648690), (52, 824345), (65, 659476), (130, 329738), (173, 247780), (260, 164869), (346, 123890), (692, 61945), (865, 49556), (953, 44980), (1730, 24778), (1906, 22490), (2249, 19060), (3460, 12389), (3812, 11245), (4498, 9530), (4765, 8996)]