40654540

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 87816960

約数和(自身を除く): 47162420

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 131, 236, 262, 263, 295, 524, 526, 590, 655, 1052, 1180, 1310, 1315, 2620, 2630, 5260, 7729, 15458, 15517, 30916, 31034, 34453, 38645, 62068, 68906, 77290, 77585, 137812, 154580, 155170, 172265, 310340, 344530, 689060, 2032727, 4065454, 8130908, 10163635, 20327270, 40654540]

約数ペア:

[(1, 40654540), (2, 20327270), (4, 10163635), (5, 8130908), (10, 4065454), (20, 2032727), (59, 689060), (118, 344530), (131, 310340), (236, 172265), (262, 155170), (263, 154580), (295, 137812), (524, 77585), (526, 77290), (590, 68906), (655, 62068), (1052, 38645), (1180, 34453), (1310, 31034), (1315, 30916), (2620, 15517), (2630, 15458), (5260, 7729)]