26666120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2699}}^1$

素因数の和:2742

約数の個数: 64

約数和(自身を含む): 68040000

約数和(自身を除く): 41373880

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 2699, 4940, 5398, 9880, 10796, 13495, 21592, 26990, 35087, 51281, 53980, 70174, 102562, 107960, 140348, 175435, 205124, 256405, 280696, 350870, 410248, 512810, 666653, 701740, 1025620, 1333306, 1403480, 2051240, 2666612, 3333265, 5333224, 6666530, 13333060, 26666120]

約数ペア:

[(1, 26666120), (2, 13333060), (4, 6666530), (5, 5333224), (8, 3333265), (10, 2666612), (13, 2051240), (19, 1403480), (20, 1333306), (26, 1025620), (38, 701740), (40, 666653), (52, 512810), (65, 410248), (76, 350870), (95, 280696), (104, 256405), (130, 205124), (152, 175435), (190, 140348), (247, 107960), (260, 102562), (380, 70174), (494, 53980), (520, 51281), (760, 35087), (988, 26990), (1235, 21592), (1976, 13495), (2470, 10796), (2699, 9880), (4940, 5398)]