129945280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23887}}^1$

素因数の和:23921

約数の個数: 56

約数和(自身を含む): 327647808

約数和(自身を除く): 197702528

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 23887, 47774, 95548, 119435, 191096, 238870, 382192, 406079, 477740, 764384, 812158, 955480, 1528768, 1624316, 1910960, 2030395, 3248632, 3821920, 4060790, 6497264, 7643840, 8121580, 12994528, 16243160, 25989056, 32486320, 64972640, 129945280]

約数ペア:

[(1, 129945280), (2, 64972640), (4, 32486320), (5, 25989056), (8, 16243160), (10, 12994528), (16, 8121580), (17, 7643840), (20, 6497264), (32, 4060790), (34, 3821920), (40, 3248632), (64, 2030395), (68, 1910960), (80, 1624316), (85, 1528768), (136, 955480), (160, 812158), (170, 764384), (272, 477740), (320, 406079), (340, 382192), (544, 238870), (680, 191096), (1088, 119435), (1360, 95548), (2720, 47774), (5440, 23887)]