47281000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3637}}^1$

素因数の和:3671

約数の個数: 64

約数和(自身を含む): 119180880

約数和(自身を除く): 71899880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 3637, 6500, 7274, 13000, 14548, 18185, 29096, 36370, 47281, 72740, 90925, 94562, 145480, 181850, 189124, 236405, 363700, 378248, 454625, 472810, 727400, 909250, 945620, 1182025, 1818500, 1891240, 2364050, 3637000, 4728100, 5910125, 9456200, 11820250, 23640500, 47281000]

約数ペア:

[(1, 47281000), (2, 23640500), (4, 11820250), (5, 9456200), (8, 5910125), (10, 4728100), (13, 3637000), (20, 2364050), (25, 1891240), (26, 1818500), (40, 1182025), (50, 945620), (52, 909250), (65, 727400), (100, 472810), (104, 454625), (125, 378248), (130, 363700), (200, 236405), (250, 189124), (260, 181850), (325, 145480), (500, 94562), (520, 90925), (650, 72740), (1000, 47281), (1300, 36370), (1625, 29096), (2600, 18185), (3250, 14548), (3637, 13000), (6500, 7274)]