126969280

素因数分解:

$2^6\times 5^1\times {\mathrm{619}}^1\times {\mathrm{641}}^1$

素因数の和:1277

約数の個数: 56

約数和(自身を含む): 303306480

約数和(自身を除く): 176337200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 619, 641, 1238, 1282, 2476, 2564, 3095, 3205, 4952, 5128, 6190, 6410, 9904, 10256, 12380, 12820, 19808, 20512, 24760, 25640, 39616, 41024, 49520, 51280, 99040, 102560, 198080, 205120, 396779, 793558, 1587116, 1983895, 3174232, 3967790, 6348464, 7935580, 12696928, 15871160, 25393856, 31742320, 63484640, 126969280]

約数ペア:

[(1, 126969280), (2, 63484640), (4, 31742320), (5, 25393856), (8, 15871160), (10, 12696928), (16, 7935580), (20, 6348464), (32, 3967790), (40, 3174232), (64, 1983895), (80, 1587116), (160, 793558), (320, 396779), (619, 205120), (641, 198080), (1238, 102560), (1282, 99040), (2476, 51280), (2564, 49520), (3095, 41024), (3205, 39616), (4952, 25640), (5128, 24760), (6190, 20512), (6410, 19808), (9904, 12820), (10256, 12380)]