26793640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 62496000

約数和(自身を除く): 35702360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 79, 122, 139, 158, 244, 278, 305, 316, 395, 488, 556, 610, 632, 695, 790, 1112, 1220, 1390, 1580, 2440, 2780, 3160, 4819, 5560, 8479, 9638, 10981, 16958, 19276, 21962, 24095, 33916, 38552, 42395, 43924, 48190, 54905, 67832, 84790, 87848, 96380, 109810, 169580, 192760, 219620, 339160, 439240, 669841, 1339682, 2679364, 3349205, 5358728, 6698410, 13396820, 26793640]

約数ペア:

[(1, 26793640), (2, 13396820), (4, 6698410), (5, 5358728), (8, 3349205), (10, 2679364), (20, 1339682), (40, 669841), (61, 439240), (79, 339160), (122, 219620), (139, 192760), (158, 169580), (244, 109810), (278, 96380), (305, 87848), (316, 84790), (395, 67832), (488, 54905), (556, 48190), (610, 43924), (632, 42395), (695, 38552), (790, 33916), (1112, 24095), (1220, 21962), (1390, 19276), (1580, 16958), (2440, 10981), (2780, 9638), (3160, 8479), (4819, 5560)]