90227840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8293}}^1$

素因数の和:8329

約数の個数: 64

約数和(自身を含む): 228416760

約数和(自身を除く): 138188920

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, 8293, 10880, 16586, 33172, 41465, 66344, 82930, 132688, 140981, 165860, 265376, 281962, 331720, 530752, 563924, 663440, 704905, 1061504, 1127848, 1326880, 1409810, 2255696, 2653760, 2819620, 4511392, 5307520, 5639240, 9022784, 11278480, 18045568, 22556960, 45113920, 90227840]

約数ペア:

[(1, 90227840), (2, 45113920), (4, 22556960), (5, 18045568), (8, 11278480), (10, 9022784), (16, 5639240), (17, 5307520), (20, 4511392), (32, 2819620), (34, 2653760), (40, 2255696), (64, 1409810), (68, 1326880), (80, 1127848), (85, 1061504), (128, 704905), (136, 663440), (160, 563924), (170, 530752), (272, 331720), (320, 281962), (340, 265376), (544, 165860), (640, 140981), (680, 132688), (1088, 82930), (1360, 66344), (2176, 41465), (2720, 33172), (5440, 16586), (8293, 10880)]