268262020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{11593}}^1$

素因数の和:11704

約数の個数: 48

約数和(自身を含む): 613554480

約数和(自身を除く): 345292460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 4628, 5785, 11570, 11593, 23140, 23186, 46372, 57965, 115930, 150709, 231860, 301418, 602836, 753545, 1031777, 1507090, 2063554, 3014180, 4127108, 5158885, 10317770, 13413101, 20635540, 26826202, 53652404, 67065505, 134131010, 268262020]

約数ペア:

[(1, 268262020), (2, 134131010), (4, 67065505), (5, 53652404), (10, 26826202), (13, 20635540), (20, 13413101), (26, 10317770), (52, 5158885), (65, 4127108), (89, 3014180), (130, 2063554), (178, 1507090), (260, 1031777), (356, 753545), (445, 602836), (890, 301418), (1157, 231860), (1780, 150709), (2314, 115930), (4628, 57965), (5785, 46372), (11570, 23186), (11593, 23140)]