8822720

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:445

約数の個数: 56

約数和(自身を含む): 21336000

約数和(自身を除く): 12513280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 349, 395, 632, 698, 790, 1264, 1396, 1580, 1745, 2528, 2792, 3160, 3490, 5056, 5584, 6320, 6980, 11168, 12640, 13960, 22336, 25280, 27571, 27920, 55142, 55840, 110284, 111680, 137855, 220568, 275710, 441136, 551420, 882272, 1102840, 1764544, 2205680, 4411360, 8822720]

約数ペア:

[(1, 8822720), (2, 4411360), (4, 2205680), (5, 1764544), (8, 1102840), (10, 882272), (16, 551420), (20, 441136), (32, 275710), (40, 220568), (64, 137855), (79, 111680), (80, 110284), (158, 55840), (160, 55142), (316, 27920), (320, 27571), (349, 25280), (395, 22336), (632, 13960), (698, 12640), (790, 11168), (1264, 6980), (1396, 6320), (1580, 5584), (1745, 5056), (2528, 3490), (2792, 3160)]