128296480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61681}}^1$

素因数の和:61709

約数の個数: 48

約数和(自身を含む): 326421144

約数和(自身を除く): 198124664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 61681, 123362, 246724, 308405, 493448, 616810, 801853, 986896, 1233620, 1603706, 1973792, 2467240, 3207412, 4009265, 4934480, 6414824, 8018530, 9868960, 12829648, 16037060, 25659296, 32074120, 64148240, 128296480]

約数ペア:

[(1, 128296480), (2, 64148240), (4, 32074120), (5, 25659296), (8, 16037060), (10, 12829648), (13, 9868960), (16, 8018530), (20, 6414824), (26, 4934480), (32, 4009265), (40, 3207412), (52, 2467240), (65, 1973792), (80, 1603706), (104, 1233620), (130, 986896), (160, 801853), (208, 616810), (260, 493448), (416, 308405), (520, 246724), (1040, 123362), (2080, 61681)]