22122880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2659}}^1$

素因数の和:2691

約数の個数: 64

約数和(自身を含む): 56977200

約数和(自身を除く): 34854320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 2659, 4160, 5318, 8320, 10636, 13295, 21272, 26590, 34567, 42544, 53180, 69134, 85088, 106360, 138268, 170176, 172835, 212720, 276536, 340352, 345670, 425440, 553072, 691340, 850880, 1106144, 1382680, 1701760, 2212288, 2765360, 4424576, 5530720, 11061440, 22122880]

約数ペア:

[(1, 22122880), (2, 11061440), (4, 5530720), (5, 4424576), (8, 2765360), (10, 2212288), (13, 1701760), (16, 1382680), (20, 1106144), (26, 850880), (32, 691340), (40, 553072), (52, 425440), (64, 345670), (65, 340352), (80, 276536), (104, 212720), (128, 172835), (130, 170176), (160, 138268), (208, 106360), (260, 85088), (320, 69134), (416, 53180), (520, 42544), (640, 34567), (832, 26590), (1040, 21272), (1664, 13295), (2080, 10636), (2659, 8320), (4160, 5318)]