55347760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2801}}^1$

素因数の和:2846

約数の個数: 80

約数和(自身を含む): 145928160

約数和(自身を除く): 90580400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 2801, 3952, 4940, 5602, 9880, 11204, 14005, 19760, 22408, 28010, 36413, 44816, 53219, 56020, 72826, 106438, 112040, 145652, 182065, 212876, 224080, 266095, 291304, 364130, 425752, 532190, 582608, 691847, 728260, 851504, 1064380, 1383694, 1456520, 2128760, 2767388, 2913040, 3459235, 4257520, 5534776, 6918470, 11069552, 13836940, 27673880, 55347760]

約数ペア:

[(1, 55347760), (2, 27673880), (4, 13836940), (5, 11069552), (8, 6918470), (10, 5534776), (13, 4257520), (16, 3459235), (19, 2913040), (20, 2767388), (26, 2128760), (38, 1456520), (40, 1383694), (52, 1064380), (65, 851504), (76, 728260), (80, 691847), (95, 582608), (104, 532190), (130, 425752), (152, 364130), (190, 291304), (208, 266095), (247, 224080), (260, 212876), (304, 182065), (380, 145652), (494, 112040), (520, 106438), (760, 72826), (988, 56020), (1040, 53219), (1235, 44816), (1520, 36413), (1976, 28010), (2470, 22408), (2801, 19760), (3952, 14005), (4940, 11204), (5602, 9880)]