28281260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8783}}^1$

素因数の和:8822

約数の個数: 48

約数和(自身を含む): 70834176

約数和(自身を除く): 42552916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 8783, 17566, 35132, 43915, 61481, 87830, 122962, 175660, 202009, 245924, 307405, 404018, 614810, 808036, 1010045, 1229620, 1414063, 2020090, 2828126, 4040180, 5656252, 7070315, 14140630, 28281260]

約数ペア:

[(1, 28281260), (2, 14140630), (4, 7070315), (5, 5656252), (7, 4040180), (10, 2828126), (14, 2020090), (20, 1414063), (23, 1229620), (28, 1010045), (35, 808036), (46, 614810), (70, 404018), (92, 307405), (115, 245924), (140, 202009), (161, 175660), (230, 122962), (322, 87830), (460, 61481), (644, 43915), (805, 35132), (1610, 17566), (3220, 8783)]