65445500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{83}}^2$

素因数の和:204

約数の個数: 72

約数和(自身を含む): 152290320

約数和(自身を除く): 86844820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 83, 95, 100, 125, 166, 190, 250, 332, 380, 415, 475, 500, 830, 950, 1577, 1660, 1900, 2075, 2375, 3154, 4150, 4750, 6308, 6889, 7885, 8300, 9500, 10375, 13778, 15770, 20750, 27556, 31540, 34445, 39425, 41500, 68890, 78850, 130891, 137780, 157700, 172225, 197125, 261782, 344450, 394250, 523564, 654455, 688900, 788500, 861125, 1308910, 1722250, 2617820, 3272275, 3444500, 6544550, 13089100, 16361375, 32722750, 65445500]

約数ペア:

[(1, 65445500), (2, 32722750), (4, 16361375), (5, 13089100), (10, 6544550), (19, 3444500), (20, 3272275), (25, 2617820), (38, 1722250), (50, 1308910), (76, 861125), (83, 788500), (95, 688900), (100, 654455), (125, 523564), (166, 394250), (190, 344450), (250, 261782), (332, 197125), (380, 172225), (415, 157700), (475, 137780), (500, 130891), (830, 78850), (950, 68890), (1577, 41500), (1660, 39425), (1900, 34445), (2075, 31540), (2375, 27556), (3154, 20750), (4150, 15770), (4750, 13778), (6308, 10375), (6889, 9500), (7885, 8300)]