66405950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{283}}^1$

素因数の和:346

約数の個数: 72

約数和(自身を含む): 140881608

約数和(自身を除く): 74475658

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 283, 325, 361, 475, 494, 566, 650, 722, 950, 1235, 1415, 1805, 2470, 2830, 3610, 3679, 4693, 5377, 6175, 7075, 7358, 9025, 9386, 10754, 12350, 14150, 18050, 18395, 23465, 26885, 36790, 46930, 53770, 69901, 91975, 102163, 117325, 134425, 139802, 183950, 204326, 234650, 268850, 349505, 510815, 699010, 1021630, 1328119, 1747525, 2554075, 2656238, 3495050, 5108150, 6640595, 13281190, 33202975, 66405950]

約数ペア:

[(1, 66405950), (2, 33202975), (5, 13281190), (10, 6640595), (13, 5108150), (19, 3495050), (25, 2656238), (26, 2554075), (38, 1747525), (50, 1328119), (65, 1021630), (95, 699010), (130, 510815), (190, 349505), (247, 268850), (283, 234650), (325, 204326), (361, 183950), (475, 139802), (494, 134425), (566, 117325), (650, 102163), (722, 91975), (950, 69901), (1235, 53770), (1415, 46930), (1805, 36790), (2470, 26885), (2830, 23465), (3610, 18395), (3679, 18050), (4693, 14150), (5377, 12350), (6175, 10754), (7075, 9386), (7358, 9025)]