71969840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{52919}}^1$

素因数の和:52949

約数の個数: 40

約数和(自身を含む): 177176160

約数和(自身を除く): 105206320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 52919, 105838, 211676, 264595, 423352, 529190, 846704, 899623, 1058380, 1799246, 2116760, 3598492, 4233520, 4498115, 7196984, 8996230, 14393968, 17992460, 35984920, 71969840]

約数ペア:

[(1, 71969840), (2, 35984920), (4, 17992460), (5, 14393968), (8, 8996230), (10, 7196984), (16, 4498115), (17, 4233520), (20, 3598492), (34, 2116760), (40, 1799246), (68, 1058380), (80, 899623), (85, 846704), (136, 529190), (170, 423352), (272, 264595), (340, 211676), (680, 105838), (1360, 52919)]