22220120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 57315600

約数和(自身を除く): 35095480

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 169, 173, 190, 247, 260, 338, 346, 380, 494, 520, 676, 692, 760, 845, 865, 988, 1235, 1352, 1384, 1690, 1730, 1976, 2249, 2470, 3211, 3287, 3380, 3460, 4498, 4940, 6422, 6574, 6760, 6920, 8996, 9880, 11245, 12844, 13148, 16055, 16435, 17992, 22490, 25688, 26296, 29237, 32110, 32870, 42731, 44980, 58474, 64220, 65740, 85462, 89960, 116948, 128440, 131480, 146185, 170924, 213655, 233896, 292370, 341848, 427310, 555503, 584740, 854620, 1111006, 1169480, 1709240, 2222012, 2777515, 4444024, 5555030, 11110060, 22220120]

約数ペア:

[(1, 22220120), (2, 11110060), (4, 5555030), (5, 4444024), (8, 2777515), (10, 2222012), (13, 1709240), (19, 1169480), (20, 1111006), (26, 854620), (38, 584740), (40, 555503), (52, 427310), (65, 341848), (76, 292370), (95, 233896), (104, 213655), (130, 170924), (152, 146185), (169, 131480), (173, 128440), (190, 116948), (247, 89960), (260, 85462), (338, 65740), (346, 64220), (380, 58474), (494, 44980), (520, 42731), (676, 32870), (692, 32110), (760, 29237), (845, 26296), (865, 25688), (988, 22490), (1235, 17992), (1352, 16435), (1384, 16055), (1690, 13148), (1730, 12844), (1976, 11245), (2249, 9880), (2470, 8996), (3211, 6920), (3287, 6760), (3380, 6574), (3460, 6422), (4498, 4940)]