25403220

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{5227}}^1$

素因数の和:5251

約数の個数: 72

約数和(自身を含む): 79925664

約数和(自身を除く): 54522444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 5227, 10454, 15681, 20908, 26135, 31362, 47043, 52270, 62724, 78405, 94086, 104540, 141129, 156810, 188172, 235215, 282258, 313620, 423387, 470430, 564516, 705645, 846774, 940860, 1270161, 1411290, 1693548, 2116935, 2540322, 2822580, 4233870, 5080644, 6350805, 8467740, 12701610, 25403220]

約数ペア:

[(1, 25403220), (2, 12701610), (3, 8467740), (4, 6350805), (5, 5080644), (6, 4233870), (9, 2822580), (10, 2540322), (12, 2116935), (15, 1693548), (18, 1411290), (20, 1270161), (27, 940860), (30, 846774), (36, 705645), (45, 564516), (54, 470430), (60, 423387), (81, 313620), (90, 282258), (108, 235215), (135, 188172), (162, 156810), (180, 141129), (243, 104540), (270, 94086), (324, 78405), (405, 62724), (486, 52270), (540, 47043), (810, 31362), (972, 26135), (1215, 20908), (1620, 15681), (2430, 10454), (4860, 5227)]