23005540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 49840560

約数和(自身を除く): 26835020

約数列:

[1, 2, 4, 5, 10, 20, 61, 109, 122, 173, 218, 244, 305, 346, 436, 545, 610, 692, 865, 1090, 1220, 1730, 2180, 3460, 6649, 10553, 13298, 18857, 21106, 26596, 33245, 37714, 42212, 52765, 66490, 75428, 94285, 105530, 132980, 188570, 211060, 377140, 1150277, 2300554, 4601108, 5751385, 11502770, 23005540]

約数ペア:

[(1, 23005540), (2, 11502770), (4, 5751385), (5, 4601108), (10, 2300554), (20, 1150277), (61, 377140), (109, 211060), (122, 188570), (173, 132980), (218, 105530), (244, 94285), (305, 75428), (346, 66490), (436, 52765), (545, 42212), (610, 37714), (692, 33245), (865, 26596), (1090, 21106), (1220, 18857), (1730, 13298), (2180, 10553), (3460, 6649)]