78361040

素因数分解:

$2^4\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1229}}^1$

素因数の和:2039

約数の個数: 40

約数和(自身を含む): 182566440

約数和(自身を除く): 104205400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 797, 1229, 1594, 2458, 3188, 3985, 4916, 6145, 6376, 7970, 9832, 12290, 12752, 15940, 19664, 24580, 31880, 49160, 63760, 98320, 979513, 1959026, 3918052, 4897565, 7836104, 9795130, 15672208, 19590260, 39180520, 78361040]

約数ペア:

[(1, 78361040), (2, 39180520), (4, 19590260), (5, 15672208), (8, 9795130), (10, 7836104), (16, 4897565), (20, 3918052), (40, 1959026), (80, 979513), (797, 98320), (1229, 63760), (1594, 49160), (2458, 31880), (3188, 24580), (3985, 19664), (4916, 15940), (6145, 12752), (6376, 12290), (7970, 9832)]