26421940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 58786560

約数和(自身を除く): 32364620

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 710, 809, 1420, 1618, 1633, 3236, 3266, 4045, 6532, 8090, 8165, 16180, 16330, 18607, 32660, 37214, 57439, 74428, 93035, 114878, 186070, 229756, 287195, 372140, 574390, 1148780, 1321097, 2642194, 5284388, 6605485, 13210970, 26421940]

約数ペア:

[(1, 26421940), (2, 13210970), (4, 6605485), (5, 5284388), (10, 2642194), (20, 1321097), (23, 1148780), (46, 574390), (71, 372140), (92, 287195), (115, 229756), (142, 186070), (230, 114878), (284, 93035), (355, 74428), (460, 57439), (710, 37214), (809, 32660), (1420, 18607), (1618, 16330), (1633, 16180), (3236, 8165), (3266, 8090), (4045, 6532)]