80317280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16193}}^1$

素因数の和:16239

約数の個数: 48

約数和(自身を含む): 195882624

約数和(自身を除く): 115565344

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, 16193, 32386, 64772, 80965, 129544, 161930, 259088, 323860, 501983, 518176, 647720, 1003966, 1295440, 2007932, 2509915, 2590880, 4015864, 5019830, 8031728, 10039660, 16063456, 20079320, 40158640, 80317280]

約数ペア:

[(1, 80317280), (2, 40158640), (4, 20079320), (5, 16063456), (8, 10039660), (10, 8031728), (16, 5019830), (20, 4015864), (31, 2590880), (32, 2509915), (40, 2007932), (62, 1295440), (80, 1003966), (124, 647720), (155, 518176), (160, 501983), (248, 323860), (310, 259088), (496, 161930), (620, 129544), (992, 80965), (1240, 64772), (2480, 32386), (4960, 16193)]