40502072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 87360000

約数和(自身を除く): 46857928

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 103, 104, 152, 199, 206, 247, 398, 412, 494, 796, 824, 988, 1339, 1592, 1957, 1976, 2587, 2678, 3781, 3914, 5174, 5356, 7562, 7828, 10348, 10712, 15124, 15656, 20497, 20696, 25441, 30248, 40994, 49153, 50882, 81988, 98306, 101764, 163976, 196612, 203528, 266461, 389443, 393224, 532922, 778886, 1065844, 1557772, 2131688, 3115544, 5062759, 10125518, 20251036, 40502072]

約数ペア:

[(1, 40502072), (2, 20251036), (4, 10125518), (8, 5062759), (13, 3115544), (19, 2131688), (26, 1557772), (38, 1065844), (52, 778886), (76, 532922), (103, 393224), (104, 389443), (152, 266461), (199, 203528), (206, 196612), (247, 163976), (398, 101764), (412, 98306), (494, 81988), (796, 50882), (824, 49153), (988, 40994), (1339, 30248), (1592, 25441), (1957, 20696), (1976, 20497), (2587, 15656), (2678, 15124), (3781, 10712), (3914, 10348), (5174, 7828), (5356, 7562)]