897440

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 2177280

約数和(自身を除く): 1279840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 79, 80, 142, 158, 160, 284, 316, 355, 395, 568, 632, 710, 790, 1136, 1264, 1420, 1580, 2272, 2528, 2840, 3160, 5609, 5680, 6320, 11218, 11360, 12640, 22436, 28045, 44872, 56090, 89744, 112180, 179488, 224360, 448720, 897440]

約数ペア:

[(1, 897440), (2, 448720), (4, 224360), (5, 179488), (8, 112180), (10, 89744), (16, 56090), (20, 44872), (32, 28045), (40, 22436), (71, 12640), (79, 11360), (80, 11218), (142, 6320), (158, 5680), (160, 5609), (284, 3160), (316, 2840), (355, 2528), (395, 2272), (568, 1580), (632, 1420), (710, 1264), (790, 1136)]