26680940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:543

約数の個数: 96

約数和(自身を含む): 69431040

約数和(自身を除く): 42750100

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 110, 130, 143, 190, 209, 220, 247, 260, 286, 380, 418, 491, 494, 572, 715, 836, 982, 988, 1045, 1235, 1430, 1964, 2090, 2455, 2470, 2717, 2860, 4180, 4910, 4940, 5401, 5434, 6383, 9329, 9820, 10802, 10868, 12766, 13585, 18658, 21604, 25532, 27005, 27170, 31915, 37316, 46645, 54010, 54340, 63830, 70213, 93290, 102619, 108020, 121277, 127660, 140426, 186580, 205238, 242554, 280852, 351065, 410476, 485108, 513095, 606385, 702130, 1026190, 1212770, 1334047, 1404260, 2052380, 2425540, 2668094, 5336188, 6670235, 13340470, 26680940]

約数ペア:

[(1, 26680940), (2, 13340470), (4, 6670235), (5, 5336188), (10, 2668094), (11, 2425540), (13, 2052380), (19, 1404260), (20, 1334047), (22, 1212770), (26, 1026190), (38, 702130), (44, 606385), (52, 513095), (55, 485108), (65, 410476), (76, 351065), (95, 280852), (110, 242554), (130, 205238), (143, 186580), (190, 140426), (209, 127660), (220, 121277), (247, 108020), (260, 102619), (286, 93290), (380, 70213), (418, 63830), (491, 54340), (494, 54010), (572, 46645), (715, 37316), (836, 31915), (982, 27170), (988, 27005), (1045, 25532), (1235, 21604), (1430, 18658), (1964, 13585), (2090, 12766), (2455, 10868), (2470, 10802), (2717, 9820), (2860, 9329), (4180, 6383), (4910, 5434), (4940, 5401)]