163198880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2531}}^1$

素因数の和:2590

約数の個数: 96

約数和(自身を含む): 428779008

約数和(自身を除く): 265580128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1240, 1612, 2015, 2080, 2480, 2531, 3224, 4030, 4960, 5062, 6448, 8060, 10124, 12655, 12896, 16120, 20248, 25310, 32240, 32903, 40496, 50620, 64480, 65806, 78461, 80992, 101240, 131612, 156922, 164515, 202480, 263224, 313844, 329030, 392305, 404960, 526448, 627688, 658060, 784610, 1019993, 1052896, 1255376, 1316120, 1569220, 2039986, 2510752, 2632240, 3138440, 4079972, 5099965, 5264480, 6276880, 8159944, 10199930, 12553760, 16319888, 20399860, 32639776, 40799720, 81599440, 163198880]

約数ペア:

[(1, 163198880), (2, 81599440), (4, 40799720), (5, 32639776), (8, 20399860), (10, 16319888), (13, 12553760), (16, 10199930), (20, 8159944), (26, 6276880), (31, 5264480), (32, 5099965), (40, 4079972), (52, 3138440), (62, 2632240), (65, 2510752), (80, 2039986), (104, 1569220), (124, 1316120), (130, 1255376), (155, 1052896), (160, 1019993), (208, 784610), (248, 658060), (260, 627688), (310, 526448), (403, 404960), (416, 392305), (496, 329030), (520, 313844), (620, 263224), (806, 202480), (992, 164515), (1040, 156922), (1240, 131612), (1612, 101240), (2015, 80992), (2080, 78461), (2480, 65806), (2531, 64480), (3224, 50620), (4030, 40496), (4960, 32903), (5062, 32240), (6448, 25310), (8060, 20248), (10124, 16120), (12655, 12896)]