16021720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2801}}^1$

素因数の和:2836

約数の個数: 64

約数和(自身を含む): 42366240

約数和(自身を除く): 26344520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2801, 2860, 5602, 5720, 11204, 14005, 22408, 28010, 30811, 36413, 56020, 61622, 72826, 112040, 123244, 145652, 154055, 182065, 246488, 291304, 308110, 364130, 400543, 616220, 728260, 801086, 1232440, 1456520, 1602172, 2002715, 3204344, 4005430, 8010860, 16021720]

約数ペア:

[(1, 16021720), (2, 8010860), (4, 4005430), (5, 3204344), (8, 2002715), (10, 1602172), (11, 1456520), (13, 1232440), (20, 801086), (22, 728260), (26, 616220), (40, 400543), (44, 364130), (52, 308110), (55, 291304), (65, 246488), (88, 182065), (104, 154055), (110, 145652), (130, 123244), (143, 112040), (220, 72826), (260, 61622), (286, 56020), (440, 36413), (520, 30811), (572, 28010), (715, 22408), (1144, 14005), (1430, 11204), (2801, 5720), (2860, 5602)]