80398240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38653}}^1$

素因数の和:38681

約数の個数: 48

約数和(自身を含む): 204556968

約数和(自身を除く): 124158728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 38653, 77306, 154612, 193265, 309224, 386530, 502489, 618448, 773060, 1004978, 1236896, 1546120, 2009956, 2512445, 3092240, 4019912, 5024890, 6184480, 8039824, 10049780, 16079648, 20099560, 40199120, 80398240]

約数ペア:

[(1, 80398240), (2, 40199120), (4, 20099560), (5, 16079648), (8, 10049780), (10, 8039824), (13, 6184480), (16, 5024890), (20, 4019912), (26, 3092240), (32, 2512445), (40, 2009956), (52, 1546120), (65, 1236896), (80, 1004978), (104, 773060), (130, 618448), (160, 502489), (208, 386530), (260, 309224), (416, 193265), (520, 154612), (1040, 77306), (2080, 38653)]