256496480

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51713}}^1$

素因数の和:51759

約数の個数: 48

約数和(自身を含む): 625532544

約数和(自身を除く): 369036064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 51713, 103426, 206852, 258565, 413704, 517130, 827408, 1034260, 1603103, 1654816, 2068520, 3206206, 4137040, 6412412, 8015515, 8274080, 12824824, 16031030, 25649648, 32062060, 51299296, 64124120, 128248240, 256496480]

約数ペア:

[(1, 256496480), (2, 128248240), (4, 64124120), (5, 51299296), (8, 32062060), (10, 25649648), (16, 16031030), (20, 12824824), (31, 8274080), (32, 8015515), (40, 6412412), (62, 4137040), (80, 3206206), (124, 2068520), (155, 1654816), (160, 1603103), (248, 1034260), (310, 827408), (496, 517130), (620, 413704), (992, 258565), (1240, 206852), (2480, 103426), (4960, 51713)]