201234640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1531}}^1$

素因数の和:1628

約数の個数: 80

約数和(自身を含む): 492397056

約数和(自身を除く): 291162416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 620, 848, 1060, 1240, 1531, 1643, 2120, 2480, 3062, 3286, 4240, 6124, 6572, 7655, 8215, 12248, 13144, 15310, 16430, 24496, 26288, 30620, 32860, 47461, 61240, 65720, 81143, 94922, 122480, 131440, 162286, 189844, 237305, 324572, 379688, 405715, 474610, 649144, 759376, 811430, 949220, 1298288, 1622860, 1898440, 2515433, 3245720, 3796880, 5030866, 6491440, 10061732, 12577165, 20123464, 25154330, 40246928, 50308660, 100617320, 201234640]

約数ペア:

[(1, 201234640), (2, 100617320), (4, 50308660), (5, 40246928), (8, 25154330), (10, 20123464), (16, 12577165), (20, 10061732), (31, 6491440), (40, 5030866), (53, 3796880), (62, 3245720), (80, 2515433), (106, 1898440), (124, 1622860), (155, 1298288), (212, 949220), (248, 811430), (265, 759376), (310, 649144), (424, 474610), (496, 405715), (530, 379688), (620, 324572), (848, 237305), (1060, 189844), (1240, 162286), (1531, 131440), (1643, 122480), (2120, 94922), (2480, 81143), (3062, 65720), (3286, 61240), (4240, 47461), (6124, 32860), (6572, 30620), (7655, 26288), (8215, 24496), (12248, 16430), (13144, 15310)]