551244640

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{38711}}^1$

素因数の和:38815

約数の個数: 48

約数和(自身を含む): 1316982240

約数和(自身を除く): 765737600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 14240, 38711, 77422, 154844, 193555, 309688, 387110, 619376, 774220, 1238752, 1548440, 3096880, 3445279, 6193760, 6890558, 13781116, 17226395, 27562232, 34452790, 55124464, 68905580, 110248928, 137811160, 275622320, 551244640]

約数ペア:

[(1, 551244640), (2, 275622320), (4, 137811160), (5, 110248928), (8, 68905580), (10, 55124464), (16, 34452790), (20, 27562232), (32, 17226395), (40, 13781116), (80, 6890558), (89, 6193760), (160, 3445279), (178, 3096880), (356, 1548440), (445, 1238752), (712, 774220), (890, 619376), (1424, 387110), (1780, 309688), (2848, 193555), (3560, 154844), (7120, 77422), (14240, 38711)]