201512090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1613}}^1$

素因数の和:1695

約数の個数: 48

約数和(自身を含む): 403880904

約数和(自身を除く): 202368814

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 961, 1613, 1922, 2015, 3226, 4030, 4805, 8065, 9610, 12493, 16130, 20969, 24986, 41938, 50003, 62465, 100006, 104845, 124930, 209690, 250015, 500030, 650039, 1300078, 1550093, 3100186, 3250195, 6500390, 7750465, 15500930, 20151209, 40302418, 100756045, 201512090]

約数ペア:

[(1, 201512090), (2, 100756045), (5, 40302418), (10, 20151209), (13, 15500930), (26, 7750465), (31, 6500390), (62, 3250195), (65, 3100186), (130, 1550093), (155, 1300078), (310, 650039), (403, 500030), (806, 250015), (961, 209690), (1613, 124930), (1922, 104845), (2015, 100006), (3226, 62465), (4030, 50003), (4805, 41938), (8065, 24986), (9610, 20969), (12493, 16130)]