86719420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{12011}}^1$

素因数の和:12058

約数の個数: 36

約数和(自身を含む): 192216024

約数和(自身を除く): 105496604

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 12011, 24022, 48044, 60055, 120110, 228209, 240220, 456418, 912836, 1141045, 2282090, 4335971, 4564180, 8671942, 17343884, 21679855, 43359710, 86719420]

約数ペア:

[(1, 86719420), (2, 43359710), (4, 21679855), (5, 17343884), (10, 8671942), (19, 4564180), (20, 4335971), (38, 2282090), (76, 1141045), (95, 912836), (190, 456418), (361, 240220), (380, 228209), (722, 120110), (1444, 60055), (1805, 48044), (3610, 24022), (7220, 12011)]