201676540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{18919}}^1$

素因数の和:18982

約数の個数: 48

約数和(自身を含む): 467248320

約数和(自身を除く): 265571780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 18919, 37838, 75676, 94595, 189190, 245947, 378380, 491894, 775679, 983788, 1229735, 1551358, 2459470, 3102716, 3878395, 4918940, 7756790, 10083827, 15513580, 20167654, 40335308, 50419135, 100838270, 201676540]

約数ペア:

[(1, 201676540), (2, 100838270), (4, 50419135), (5, 40335308), (10, 20167654), (13, 15513580), (20, 10083827), (26, 7756790), (41, 4918940), (52, 3878395), (65, 3102716), (82, 2459470), (130, 1551358), (164, 1229735), (205, 983788), (260, 775679), (410, 491894), (533, 378380), (820, 245947), (1066, 189190), (2132, 94595), (2665, 75676), (5330, 37838), (10660, 18919)]