16646500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{197}}^1$

素因数の和:242

約数の個数: 72

約数和(自身を含む): 39567528

約数和(自身を除く): 22921028

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 169, 197, 250, 260, 325, 338, 394, 500, 650, 676, 788, 845, 985, 1300, 1625, 1690, 1970, 2561, 3250, 3380, 3940, 4225, 4925, 5122, 6500, 8450, 9850, 10244, 12805, 16900, 19700, 21125, 24625, 25610, 33293, 42250, 49250, 51220, 64025, 66586, 84500, 98500, 128050, 133172, 166465, 256100, 320125, 332930, 640250, 665860, 832325, 1280500, 1664650, 3329300, 4161625, 8323250, 16646500]

約数ペア:

[(1, 16646500), (2, 8323250), (4, 4161625), (5, 3329300), (10, 1664650), (13, 1280500), (20, 832325), (25, 665860), (26, 640250), (50, 332930), (52, 320125), (65, 256100), (100, 166465), (125, 133172), (130, 128050), (169, 98500), (197, 84500), (250, 66586), (260, 64025), (325, 51220), (338, 49250), (394, 42250), (500, 33293), (650, 25610), (676, 24625), (788, 21125), (845, 19700), (985, 16900), (1300, 12805), (1625, 10244), (1690, 9850), (1970, 8450), (2561, 6500), (3250, 5122), (3380, 4925), (3940, 4225)]