81569800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 206627400

約数和(自身を除く): 125057600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 137, 200, 229, 260, 274, 325, 458, 520, 548, 650, 685, 916, 1096, 1145, 1300, 1370, 1781, 1832, 2290, 2600, 2740, 2977, 3425, 3562, 4580, 5480, 5725, 5954, 6850, 7124, 8905, 9160, 11450, 11908, 13700, 14248, 14885, 17810, 22900, 23816, 27400, 29770, 31373, 35620, 44525, 45800, 59540, 62746, 71240, 74425, 89050, 119080, 125492, 148850, 156865, 178100, 250984, 297700, 313730, 356200, 407849, 595400, 627460, 784325, 815698, 1254920, 1568650, 1631396, 2039245, 3137300, 3262792, 4078490, 6274600, 8156980, 10196225, 16313960, 20392450, 40784900, 81569800]

約数ペア:

[(1, 81569800), (2, 40784900), (4, 20392450), (5, 16313960), (8, 10196225), (10, 8156980), (13, 6274600), (20, 4078490), (25, 3262792), (26, 3137300), (40, 2039245), (50, 1631396), (52, 1568650), (65, 1254920), (100, 815698), (104, 784325), (130, 627460), (137, 595400), (200, 407849), (229, 356200), (260, 313730), (274, 297700), (325, 250984), (458, 178100), (520, 156865), (548, 148850), (650, 125492), (685, 119080), (916, 89050), (1096, 74425), (1145, 71240), (1300, 62746), (1370, 59540), (1781, 45800), (1832, 44525), (2290, 35620), (2600, 31373), (2740, 29770), (2977, 27400), (3425, 23816), (3562, 22900), (4580, 17810), (5480, 14885), (5725, 14248), (5954, 13700), (6850, 11908), (7124, 11450), (8905, 9160)]