28525250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 58810752

約数和(自身を除く): 30285502

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 125, 130, 131, 134, 250, 262, 325, 335, 650, 655, 670, 871, 1310, 1625, 1675, 1703, 1742, 3250, 3275, 3350, 3406, 4355, 6550, 8375, 8515, 8710, 8777, 16375, 16750, 17030, 17554, 21775, 32750, 42575, 43550, 43885, 85150, 87770, 108875, 114101, 212875, 217750, 219425, 228202, 425750, 438850, 570505, 1097125, 1141010, 2194250, 2852525, 5705050, 14262625, 28525250]

約数ペア:

[(1, 28525250), (2, 14262625), (5, 5705050), (10, 2852525), (13, 2194250), (25, 1141010), (26, 1097125), (50, 570505), (65, 438850), (67, 425750), (125, 228202), (130, 219425), (131, 217750), (134, 212875), (250, 114101), (262, 108875), (325, 87770), (335, 85150), (650, 43885), (655, 43550), (670, 42575), (871, 32750), (1310, 21775), (1625, 17554), (1675, 17030), (1703, 16750), (1742, 16375), (3250, 8777), (3275, 8710), (3350, 8515), (3406, 8375), (4355, 6550)]