2808889240

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{13267}}^1$

素因数の和:13424

約数の個数: 64

約数和(自身を含む): 6496012800

約数和(自身を除く): 3687123560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 79, 134, 158, 268, 316, 335, 395, 536, 632, 670, 790, 1340, 1580, 2680, 3160, 5293, 10586, 13267, 21172, 26465, 26534, 42344, 52930, 53068, 66335, 105860, 106136, 132670, 211720, 265340, 530680, 888889, 1048093, 1777778, 2096186, 3555556, 4192372, 4444445, 5240465, 7111112, 8384744, 8888890, 10480930, 17777780, 20961860, 35555560, 41923720, 70222231, 140444462, 280888924, 351111155, 561777848, 702222310, 1404444620, 2808889240]

約数ペア:

[(1, 2808889240), (2, 1404444620), (4, 702222310), (5, 561777848), (8, 351111155), (10, 280888924), (20, 140444462), (40, 70222231), (67, 41923720), (79, 35555560), (134, 20961860), (158, 17777780), (268, 10480930), (316, 8888890), (335, 8384744), (395, 7111112), (536, 5240465), (632, 4444445), (670, 4192372), (790, 3555556), (1340, 2096186), (1580, 1777778), (2680, 1048093), (3160, 888889), (5293, 530680), (10586, 265340), (13267, 211720), (21172, 132670), (26465, 106136), (26534, 105860), (42344, 66335), (52930, 53068)]