128525440

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11813}}^1$

素因数の和:11849

約数の個数: 64

約数和(自身を含む): 325357560

約数和(自身を除く): 196832120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 11813, 23626, 47252, 59065, 94504, 118130, 189008, 200821, 236260, 378016, 401642, 472520, 756032, 803284, 945040, 1004105, 1512064, 1606568, 1890080, 2008210, 3213136, 3780160, 4016420, 6426272, 7560320, 8032840, 12852544, 16065680, 25705088, 32131360, 64262720, 128525440]

約数ペア:

[(1, 128525440), (2, 64262720), (4, 32131360), (5, 25705088), (8, 16065680), (10, 12852544), (16, 8032840), (17, 7560320), (20, 6426272), (32, 4016420), (34, 3780160), (40, 3213136), (64, 2008210), (68, 1890080), (80, 1606568), (85, 1512064), (128, 1004105), (136, 945040), (160, 803284), (170, 756032), (272, 472520), (320, 401642), (340, 378016), (544, 236260), (640, 200821), (680, 189008), (1088, 118130), (1360, 94504), (2176, 59065), (2720, 47252), (5440, 23626), (10880, 11813)]