64789400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{24919}}^1$

素因数の和:24948

約数の個数: 48

約数和(自身を含む): 162229200

約数和(自身を除く): 97439800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 24919, 49838, 99676, 124595, 199352, 249190, 323947, 498380, 622975, 647894, 996760, 1245950, 1295788, 1619735, 2491900, 2591576, 3239470, 4983800, 6478940, 8098675, 12957880, 16197350, 32394700, 64789400]

約数ペア:

[(1, 64789400), (2, 32394700), (4, 16197350), (5, 12957880), (8, 8098675), (10, 6478940), (13, 4983800), (20, 3239470), (25, 2591576), (26, 2491900), (40, 1619735), (50, 1295788), (52, 1245950), (65, 996760), (100, 647894), (104, 622975), (130, 498380), (200, 323947), (260, 249190), (325, 199352), (520, 124595), (650, 99676), (1300, 49838), (2600, 24919)]