80496880

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7681}}^1$

素因数の和:7825

約数の個数: 40

約数和(自身を含む): 188608464

約数和(自身を除く): 108111584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 7681, 10480, 15362, 30724, 38405, 61448, 76810, 122896, 153620, 307240, 614480, 1006211, 2012422, 4024844, 5031055, 8049688, 10062110, 16099376, 20124220, 40248440, 80496880]

約数ペア:

[(1, 80496880), (2, 40248440), (4, 20124220), (5, 16099376), (8, 10062110), (10, 8049688), (16, 5031055), (20, 4024844), (40, 2012422), (80, 1006211), (131, 614480), (262, 307240), (524, 153620), (655, 122896), (1048, 76810), (1310, 61448), (2096, 38405), (2620, 30724), (5240, 15362), (7681, 10480)]