42889340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{563}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 97499808

約数和(自身を除く): 54610468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 293, 563, 586, 1126, 1172, 1465, 2252, 2815, 2930, 3809, 5630, 5860, 7319, 7618, 11260, 14638, 15236, 19045, 29276, 36595, 38090, 73190, 76180, 146380, 164959, 329918, 659836, 824795, 1649590, 2144467, 3299180, 4288934, 8577868, 10722335, 21444670, 42889340]

約数ペア:

[(1, 42889340), (2, 21444670), (4, 10722335), (5, 8577868), (10, 4288934), (13, 3299180), (20, 2144467), (26, 1649590), (52, 824795), (65, 659836), (130, 329918), (260, 164959), (293, 146380), (563, 76180), (586, 73190), (1126, 38090), (1172, 36595), (1465, 29276), (2252, 19045), (2815, 15236), (2930, 14638), (3809, 11260), (5630, 7618), (5860, 7319)]