42712840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2731}}^1$

素因数の和:2782

約数の個数: 64

約数和(自身を含む): 106220160

約数和(自身を除く): 63507320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 2731, 3128, 3910, 5462, 7820, 10924, 13655, 15640, 21848, 27310, 46427, 54620, 62813, 92854, 109240, 125626, 185708, 232135, 251252, 314065, 371416, 464270, 502504, 628130, 928540, 1067821, 1256260, 1857080, 2135642, 2512520, 4271284, 5339105, 8542568, 10678210, 21356420, 42712840]

約数ペア:

[(1, 42712840), (2, 21356420), (4, 10678210), (5, 8542568), (8, 5339105), (10, 4271284), (17, 2512520), (20, 2135642), (23, 1857080), (34, 1256260), (40, 1067821), (46, 928540), (68, 628130), (85, 502504), (92, 464270), (115, 371416), (136, 314065), (170, 251252), (184, 232135), (230, 185708), (340, 125626), (391, 109240), (460, 92854), (680, 62813), (782, 54620), (920, 46427), (1564, 27310), (1955, 21848), (2731, 15640), (3128, 13655), (3910, 10924), (5462, 7820)]