262009520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{105649}}^1$

素因数の和:105693

約数の個数: 40

約数和(自身を含む): 628828800

約数和(自身を除く): 366819280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 105649, 211298, 422596, 528245, 845192, 1056490, 1690384, 2112980, 3275119, 4225960, 6550238, 8451920, 13100476, 16375595, 26200952, 32751190, 52401904, 65502380, 131004760, 262009520]

約数ペア:

[(1, 262009520), (2, 131004760), (4, 65502380), (5, 52401904), (8, 32751190), (10, 26200952), (16, 16375595), (20, 13100476), (31, 8451920), (40, 6550238), (62, 4225960), (80, 3275119), (124, 2112980), (155, 1690384), (248, 1056490), (310, 845192), (496, 528245), (620, 422596), (1240, 211298), (2480, 105649)]