53931800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20743}}^1$

素因数の和:20772

約数の個数: 48

約数和(自身を含む): 135043440

約数和(自身を除く): 81111640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 20743, 41486, 82972, 103715, 165944, 207430, 269659, 414860, 518575, 539318, 829720, 1037150, 1078636, 1348295, 2074300, 2157272, 2696590, 4148600, 5393180, 6741475, 10786360, 13482950, 26965900, 53931800]

約数ペア:

[(1, 53931800), (2, 26965900), (4, 13482950), (5, 10786360), (8, 6741475), (10, 5393180), (13, 4148600), (20, 2696590), (25, 2157272), (26, 2074300), (40, 1348295), (50, 1078636), (52, 1037150), (65, 829720), (100, 539318), (104, 518575), (130, 414860), (200, 269659), (260, 207430), (325, 165944), (520, 103715), (650, 82972), (1300, 41486), (2600, 20743)]