201540560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193789}}^1$

素因数の和:193815

約数の個数: 40

約数和(自身を含む): 504629160

約数和(自身を除く): 303088600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 193789, 387578, 775156, 968945, 1550312, 1937890, 2519257, 3100624, 3875780, 5038514, 7751560, 10077028, 12596285, 15503120, 20154056, 25192570, 40308112, 50385140, 100770280, 201540560]

約数ペア:

[(1, 201540560), (2, 100770280), (4, 50385140), (5, 40308112), (8, 25192570), (10, 20154056), (13, 15503120), (16, 12596285), (20, 10077028), (26, 7751560), (40, 5038514), (52, 3875780), (65, 3100624), (80, 2519257), (104, 1937890), (130, 1550312), (208, 968945), (260, 775156), (520, 387578), (1040, 193789)]