13503490540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1\times {\mathrm{21313}}^1$

素因数の和:21802

約数の個数: 48

約数和(自身を含む): 28789246080

約数和(自身を除く): 15285755540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 401, 790, 802, 1580, 1604, 2005, 4010, 8020, 21313, 31679, 42626, 63358, 85252, 106565, 126716, 158395, 213130, 316790, 426260, 633580, 1683727, 3367454, 6734908, 8418635, 8546513, 16837270, 17093026, 33674540, 34186052, 42732565, 85465130, 170930260, 675174527, 1350349054, 2700698108, 3375872635, 6751745270, 13503490540]

約数ペア:

[(1, 13503490540), (2, 6751745270), (4, 3375872635), (5, 2700698108), (10, 1350349054), (20, 675174527), (79, 170930260), (158, 85465130), (316, 42732565), (395, 34186052), (401, 33674540), (790, 17093026), (802, 16837270), (1580, 8546513), (1604, 8418635), (2005, 6734908), (4010, 3367454), (8020, 1683727), (21313, 633580), (31679, 426260), (42626, 316790), (63358, 213130), (85252, 158395), (106565, 126716)]