80398390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{1033}}^1$

素因数の和:1264

約数の個数: 32

約数和(自身を含む): 149044896

約数和(自身を除く): 68646506

約数列:

[1, 2, 5, 10, 43, 86, 181, 215, 362, 430, 905, 1033, 1810, 2066, 5165, 7783, 10330, 15566, 38915, 44419, 77830, 88838, 186973, 222095, 373946, 444190, 934865, 1869730, 8039839, 16079678, 40199195, 80398390]

約数ペア:

[(1, 80398390), (2, 40199195), (5, 16079678), (10, 8039839), (43, 1869730), (86, 934865), (181, 444190), (215, 373946), (362, 222095), (430, 186973), (905, 88838), (1033, 77830), (1810, 44419), (2066, 38915), (5165, 15566), (7783, 10330)]