78455980

素因数分解:

$2^2\times 5^1\times {\mathrm{1163}}^1\times {\mathrm{3373}}^1$

素因数の和:4545

約数の個数: 24

約数和(自身を含む): 164948112

約数和(自身を除く): 86492132

約数列:

[1, 2, 4, 5, 10, 20, 1163, 2326, 3373, 4652, 5815, 6746, 11630, 13492, 16865, 23260, 33730, 67460, 3922799, 7845598, 15691196, 19613995, 39227990, 78455980]

約数ペア:

[(1, 78455980), (2, 39227990), (4, 19613995), (5, 15691196), (10, 7845598), (20, 3922799), (1163, 67460), (2326, 33730), (3373, 23260), (4652, 16865), (5815, 13492), (6746, 11630)]