1420140020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{10859}}^1$

素因数の和:11384

約数の個数: 48

約数和(自身を含む): 3218382720

約数和(自身を除く): 1798242700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 503, 1006, 2012, 2515, 5030, 6539, 10060, 10859, 13078, 21718, 26156, 32695, 43436, 54295, 65390, 108590, 130780, 141167, 217180, 282334, 564668, 705835, 1411670, 2823340, 5462077, 10924154, 21848308, 27310385, 54620770, 71007001, 109241540, 142014002, 284028004, 355035005, 710070010, 1420140020]

約数ペア:

[(1, 1420140020), (2, 710070010), (4, 355035005), (5, 284028004), (10, 142014002), (13, 109241540), (20, 71007001), (26, 54620770), (52, 27310385), (65, 21848308), (130, 10924154), (260, 5462077), (503, 2823340), (1006, 1411670), (2012, 705835), (2515, 564668), (5030, 282334), (6539, 217180), (10060, 141167), (10859, 130780), (13078, 108590), (21718, 65390), (26156, 54295), (32695, 43436)]