72644852020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1901}}^1\times {\mathrm{146977}}^1$

素因数の和:148900

約数の個数: 48

約数和(自身を含む): 164376667728

約数和(自身を除く): 91731815708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1901, 3802, 7604, 9505, 19010, 24713, 38020, 49426, 98852, 123565, 146977, 247130, 293954, 494260, 587908, 734885, 1469770, 1910701, 2939540, 3821402, 7642804, 9553505, 19107010, 38214020, 279403277, 558806554, 1117613108, 1397016385, 2794032770, 3632242601, 5588065540, 7264485202, 14528970404, 18161213005, 36322426010, 72644852020]

約数ペア:

[(1, 72644852020), (2, 36322426010), (4, 18161213005), (5, 14528970404), (10, 7264485202), (13, 5588065540), (20, 3632242601), (26, 2794032770), (52, 1397016385), (65, 1117613108), (130, 558806554), (260, 279403277), (1901, 38214020), (3802, 19107010), (7604, 9553505), (9505, 7642804), (19010, 3821402), (24713, 2939540), (38020, 1910701), (49426, 1469770), (98852, 734885), (123565, 587908), (146977, 494260), (247130, 293954)]