40020460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 92939616

約数和(自身を除く): 52919156

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 241, 361, 380, 437, 460, 482, 722, 874, 964, 1205, 1444, 1748, 1805, 2185, 2410, 3610, 4370, 4579, 4820, 5543, 7220, 8303, 8740, 9158, 11086, 16606, 18316, 22172, 22895, 27715, 33212, 41515, 45790, 55430, 83030, 87001, 91580, 105317, 110860, 166060, 174002, 210634, 348004, 421268, 435005, 526585, 870010, 1053170, 1740020, 2001023, 2106340, 4002046, 8004092, 10005115, 20010230, 40020460]

約数ペア:

[(1, 40020460), (2, 20010230), (4, 10005115), (5, 8004092), (10, 4002046), (19, 2106340), (20, 2001023), (23, 1740020), (38, 1053170), (46, 870010), (76, 526585), (92, 435005), (95, 421268), (115, 348004), (190, 210634), (230, 174002), (241, 166060), (361, 110860), (380, 105317), (437, 91580), (460, 87001), (482, 83030), (722, 55430), (874, 45790), (964, 41515), (1205, 33212), (1444, 27715), (1748, 22895), (1805, 22172), (2185, 18316), (2410, 16606), (3610, 11086), (4370, 9158), (4579, 8740), (4820, 8303), (5543, 7220)]