26143640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 62112960

約数和(自身を除く): 35969320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 157, 181, 184, 230, 314, 362, 460, 628, 724, 785, 905, 920, 1256, 1448, 1570, 1810, 3140, 3611, 3620, 4163, 6280, 7222, 7240, 8326, 14444, 16652, 18055, 20815, 28417, 28888, 33304, 36110, 41630, 56834, 72220, 83260, 113668, 142085, 144440, 166520, 227336, 284170, 568340, 653591, 1136680, 1307182, 2614364, 3267955, 5228728, 6535910, 13071820, 26143640]

約数ペア:

[(1, 26143640), (2, 13071820), (4, 6535910), (5, 5228728), (8, 3267955), (10, 2614364), (20, 1307182), (23, 1136680), (40, 653591), (46, 568340), (92, 284170), (115, 227336), (157, 166520), (181, 144440), (184, 142085), (230, 113668), (314, 83260), (362, 72220), (460, 56834), (628, 41630), (724, 36110), (785, 33304), (905, 28888), (920, 28417), (1256, 20815), (1448, 18055), (1570, 16652), (1810, 14444), (3140, 8326), (3611, 7240), (3620, 7222), (4163, 6280)]