90450100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1697}}^1$

素因数の和:1765

約数の個数: 72

約数和(自身を含む): 216658008

約数和(自身を除く): 126207908

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 164, 205, 260, 325, 410, 533, 650, 820, 1025, 1066, 1300, 1697, 2050, 2132, 2665, 3394, 4100, 5330, 6788, 8485, 10660, 13325, 16970, 22061, 26650, 33940, 42425, 44122, 53300, 69577, 84850, 88244, 110305, 139154, 169700, 220610, 278308, 347885, 441220, 551525, 695770, 904501, 1103050, 1391540, 1739425, 1809002, 2206100, 3478850, 3618004, 4522505, 6957700, 9045010, 18090020, 22612525, 45225050, 90450100]

約数ペア:

[(1, 90450100), (2, 45225050), (4, 22612525), (5, 18090020), (10, 9045010), (13, 6957700), (20, 4522505), (25, 3618004), (26, 3478850), (41, 2206100), (50, 1809002), (52, 1739425), (65, 1391540), (82, 1103050), (100, 904501), (130, 695770), (164, 551525), (205, 441220), (260, 347885), (325, 278308), (410, 220610), (533, 169700), (650, 139154), (820, 110305), (1025, 88244), (1066, 84850), (1300, 69577), (1697, 53300), (2050, 44122), (2132, 42425), (2665, 33940), (3394, 26650), (4100, 22061), (5330, 16970), (6788, 13325), (8485, 10660)]