31887920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23447}}^1$

素因数の和:23477

約数の個数: 40

約数和(自身を含む): 78503904

約数和(自身を除く): 46615984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 23447, 46894, 93788, 117235, 187576, 234470, 375152, 398599, 468940, 797198, 937880, 1594396, 1875760, 1992995, 3188792, 3985990, 6377584, 7971980, 15943960, 31887920]

約数ペア:

[(1, 31887920), (2, 15943960), (4, 7971980), (5, 6377584), (8, 3985990), (10, 3188792), (16, 1992995), (17, 1875760), (20, 1594396), (34, 937880), (40, 797198), (68, 468940), (80, 398599), (85, 375152), (136, 234470), (170, 187576), (272, 117235), (340, 93788), (680, 46894), (1360, 23447)]