51379400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{8287}}^1$

素因数の和:8334

約数の個数: 48

約数和(自身を含む): 123325440

約数和(自身を除く): 71946040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 8287, 16574, 33148, 41435, 66296, 82870, 165740, 207175, 256897, 331480, 414350, 513794, 828700, 1027588, 1284485, 1657400, 2055176, 2568970, 5137940, 6422425, 10275880, 12844850, 25689700, 51379400]

約数ペア:

[(1, 51379400), (2, 25689700), (4, 12844850), (5, 10275880), (8, 6422425), (10, 5137940), (20, 2568970), (25, 2055176), (31, 1657400), (40, 1284485), (50, 1027588), (62, 828700), (100, 513794), (124, 414350), (155, 331480), (200, 256897), (248, 207175), (310, 165740), (620, 82870), (775, 66296), (1240, 41435), (1550, 33148), (3100, 16574), (6200, 8287)]