15782540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1013}}^1$

素因数の和:1082

約数の個数: 48

約数和(自身を含む): 35773920

約数和(自身を除く): 19991380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1013, 1558, 2026, 3116, 3895, 4052, 5065, 7790, 10130, 15580, 19247, 20260, 38494, 41533, 76988, 83066, 96235, 166132, 192470, 207665, 384940, 415330, 789127, 830660, 1578254, 3156508, 3945635, 7891270, 15782540]

約数ペア:

[(1, 15782540), (2, 7891270), (4, 3945635), (5, 3156508), (10, 1578254), (19, 830660), (20, 789127), (38, 415330), (41, 384940), (76, 207665), (82, 192470), (95, 166132), (164, 96235), (190, 83066), (205, 76988), (380, 41533), (410, 38494), (779, 20260), (820, 19247), (1013, 15580), (1558, 10130), (2026, 7790), (3116, 5065), (3895, 4052)]