71400880

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4931}}^1$

素因数の和:5125

約数の個数: 40

約数和(自身を含む): 166958064

約数和(自身を除く): 95557184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 4931, 7240, 9862, 14480, 19724, 24655, 39448, 49310, 78896, 98620, 197240, 394480, 892511, 1785022, 3570044, 4462555, 7140088, 8925110, 14280176, 17850220, 35700440, 71400880]

約数ペア:

[(1, 71400880), (2, 35700440), (4, 17850220), (5, 14280176), (8, 8925110), (10, 7140088), (16, 4462555), (20, 3570044), (40, 1785022), (80, 892511), (181, 394480), (362, 197240), (724, 98620), (905, 78896), (1448, 49310), (1810, 39448), (2896, 24655), (3620, 19724), (4931, 14480), (7240, 9862)]