72761780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39979}}^1$

素因数の和:40008

約数の個数: 48

約数和(自身を含む): 188065920

約数和(自身を除く): 115304140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 39979, 79958, 159916, 199895, 279853, 399790, 519727, 559706, 799580, 1039454, 1119412, 1399265, 2078908, 2598635, 2798530, 3638089, 5197270, 5597060, 7276178, 10394540, 14552356, 18190445, 36380890, 72761780]

約数ペア:

[(1, 72761780), (2, 36380890), (4, 18190445), (5, 14552356), (7, 10394540), (10, 7276178), (13, 5597060), (14, 5197270), (20, 3638089), (26, 2798530), (28, 2598635), (35, 2078908), (52, 1399265), (65, 1119412), (70, 1039454), (91, 799580), (130, 559706), (140, 519727), (182, 399790), (260, 279853), (364, 199895), (455, 159916), (910, 79958), (1820, 39979)]