20937667040

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{13043}}^1$

素因数の和:13264

約数の個数: 96

約数和(自身を含む): 50489671680

約数和(自身を除く): 29552004640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 127, 158, 160, 254, 316, 395, 508, 632, 635, 790, 1016, 1264, 1270, 1580, 2032, 2528, 2540, 3160, 4064, 5080, 6320, 10033, 10160, 12640, 13043, 20066, 20320, 26086, 40132, 50165, 52172, 65215, 80264, 100330, 104344, 130430, 160528, 200660, 208688, 260860, 321056, 401320, 417376, 521720, 802640, 1030397, 1043440, 1605280, 1656461, 2060794, 2086880, 3312922, 4121588, 5151985, 6625844, 8243176, 8282305, 10303970, 13251688, 16486352, 16564610, 20607940, 26503376, 32972704, 33129220, 41215880, 53006752, 66258440, 82431760, 130860419, 132516880, 164863520, 261720838, 265033760, 523441676, 654302095, 1046883352, 1308604190, 2093766704, 2617208380, 4187533408, 5234416760, 10468833520, 20937667040]

約数ペア:

[(1, 20937667040), (2, 10468833520), (4, 5234416760), (5, 4187533408), (8, 2617208380), (10, 2093766704), (16, 1308604190), (20, 1046883352), (32, 654302095), (40, 523441676), (79, 265033760), (80, 261720838), (127, 164863520), (158, 132516880), (160, 130860419), (254, 82431760), (316, 66258440), (395, 53006752), (508, 41215880), (632, 33129220), (635, 32972704), (790, 26503376), (1016, 20607940), (1264, 16564610), (1270, 16486352), (1580, 13251688), (2032, 10303970), (2528, 8282305), (2540, 8243176), (3160, 6625844), (4064, 5151985), (5080, 4121588), (6320, 3312922), (10033, 2086880), (10160, 2060794), (12640, 1656461), (13043, 1605280), (20066, 1043440), (20320, 1030397), (26086, 802640), (40132, 521720), (50165, 417376), (52172, 401320), (65215, 321056), (80264, 260860), (100330, 208688), (104344, 200660), (130430, 160528)]