78847100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{19231}}^1$

素因数の和:19286

約数の個数: 36

約数和(自身を含む): 175280448

約数和(自身を除く): 96433348

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 19231, 38462, 76924, 96155, 192310, 384620, 480775, 788471, 961550, 1576942, 1923100, 3153884, 3942355, 7884710, 15769420, 19711775, 39423550, 78847100]

約数ペア:

[(1, 78847100), (2, 39423550), (4, 19711775), (5, 15769420), (10, 7884710), (20, 3942355), (25, 3153884), (41, 1923100), (50, 1576942), (82, 961550), (100, 788471), (164, 480775), (205, 384620), (410, 192310), (820, 96155), (1025, 76924), (2050, 38462), (4100, 19231)]