6401720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{947}}^1$

素因数の和:984

約数の個数: 48

約数和(自身を含む): 15613560

約数和(自身を除く): 9211840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 947, 1352, 1690, 1894, 3380, 3788, 4735, 6760, 7576, 9470, 12311, 18940, 24622, 37880, 49244, 61555, 98488, 123110, 160043, 246220, 320086, 492440, 640172, 800215, 1280344, 1600430, 3200860, 6401720]

約数ペア:

[(1, 6401720), (2, 3200860), (4, 1600430), (5, 1280344), (8, 800215), (10, 640172), (13, 492440), (20, 320086), (26, 246220), (40, 160043), (52, 123110), (65, 98488), (104, 61555), (130, 49244), (169, 37880), (260, 24622), (338, 18940), (520, 12311), (676, 9470), (845, 7576), (947, 6760), (1352, 4735), (1690, 3788), (1894, 3380)]