40239530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 80784000

約数和(自身を除く): 40544470

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 67, 95, 109, 134, 145, 190, 218, 290, 335, 545, 551, 670, 1090, 1102, 1273, 1943, 2071, 2546, 2755, 3161, 3886, 4142, 5510, 6322, 6365, 7303, 9715, 10355, 12730, 14606, 15805, 19430, 20710, 31610, 36515, 36917, 60059, 73030, 73834, 120118, 138757, 184585, 211787, 277514, 300295, 369170, 423574, 600590, 693785, 1058935, 1387570, 2117870, 4023953, 8047906, 20119765, 40239530]

約数ペア:

[(1, 40239530), (2, 20119765), (5, 8047906), (10, 4023953), (19, 2117870), (29, 1387570), (38, 1058935), (58, 693785), (67, 600590), (95, 423574), (109, 369170), (134, 300295), (145, 277514), (190, 211787), (218, 184585), (290, 138757), (335, 120118), (545, 73834), (551, 73030), (670, 60059), (1090, 36917), (1102, 36515), (1273, 31610), (1943, 20710), (2071, 19430), (2546, 15805), (2755, 14606), (3161, 12730), (3886, 10355), (4142, 9715), (5510, 7303), (6322, 6365)]