8333000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:675

約数の個数: 64

約数和(自身を含む): 21031920

約数和(自身を除く): 12698920

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, 641, 650, 1000, 1282, 1300, 1625, 2564, 2600, 3205, 3250, 5128, 6410, 6500, 8333, 12820, 13000, 16025, 16666, 25640, 32050, 33332, 41665, 64100, 66664, 80125, 83330, 128200, 160250, 166660, 208325, 320500, 333320, 416650, 641000, 833300, 1041625, 1666600, 2083250, 4166500, 8333000]

約数ペア:

[(1, 8333000), (2, 4166500), (4, 2083250), (5, 1666600), (8, 1041625), (10, 833300), (13, 641000), (20, 416650), (25, 333320), (26, 320500), (40, 208325), (50, 166660), (52, 160250), (65, 128200), (100, 83330), (104, 80125), (125, 66664), (130, 64100), (200, 41665), (250, 33332), (260, 32050), (325, 25640), (500, 16666), (520, 16025), (641, 13000), (650, 12820), (1000, 8333), (1282, 6500), (1300, 6410), (1625, 5128), (2564, 3250), (2600, 3205)]