53965340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18869}}^1$

素因数の和:18902

約数の個数: 48

約数和(自身を含む): 133146720

約数和(自身を除く): 79181380

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 18869, 37738, 75476, 94345, 188690, 207559, 245297, 377380, 415118, 490594, 830236, 981188, 1037795, 1226485, 2075590, 2452970, 2698267, 4151180, 4905940, 5396534, 10793068, 13491335, 26982670, 53965340]

約数ペア:

[(1, 53965340), (2, 26982670), (4, 13491335), (5, 10793068), (10, 5396534), (11, 4905940), (13, 4151180), (20, 2698267), (22, 2452970), (26, 2075590), (44, 1226485), (52, 1037795), (55, 981188), (65, 830236), (110, 490594), (130, 415118), (143, 377380), (220, 245297), (260, 207559), (286, 188690), (572, 94345), (715, 75476), (1430, 37738), (2860, 18869)]