91271960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{175523}}^1$

素因数の和:175547

約数の個数: 32

約数和(自身を含む): 221160240

約数和(自身を除く): 129888280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 175523, 351046, 702092, 877615, 1404184, 1755230, 2281799, 3510460, 4563598, 7020920, 9127196, 11408995, 18254392, 22817990, 45635980, 91271960]

約数ペア:

[(1, 91271960), (2, 45635980), (4, 22817990), (5, 18254392), (8, 11408995), (10, 9127196), (13, 7020920), (20, 4563598), (26, 3510460), (40, 2281799), (52, 1755230), (65, 1404184), (104, 877615), (130, 702092), (260, 351046), (520, 175523)]