15839720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 38949120

約数和(自身を除く): 23109400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 367, 415, 520, 664, 734, 830, 1079, 1468, 1660, 1835, 2158, 2936, 3320, 3670, 4316, 4771, 5395, 7340, 8632, 9542, 10790, 14680, 19084, 21580, 23855, 30461, 38168, 43160, 47710, 60922, 95420, 121844, 152305, 190840, 243688, 304610, 395993, 609220, 791986, 1218440, 1583972, 1979965, 3167944, 3959930, 7919860, 15839720]

約数ペア:

[(1, 15839720), (2, 7919860), (4, 3959930), (5, 3167944), (8, 1979965), (10, 1583972), (13, 1218440), (20, 791986), (26, 609220), (40, 395993), (52, 304610), (65, 243688), (83, 190840), (104, 152305), (130, 121844), (166, 95420), (260, 60922), (332, 47710), (367, 43160), (415, 38168), (520, 30461), (664, 23855), (734, 21580), (830, 19084), (1079, 14680), (1468, 10790), (1660, 9542), (1835, 8632), (2158, 7340), (2936, 5395), (3320, 4771), (3670, 4316)]