64557320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1493}}^1$

素因数の和:1574

約数の個数: 64

約数和(自身を含む): 154897920

約数和(自身を除く): 90340600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 920, 940, 1081, 1493, 1880, 2162, 2986, 4324, 5405, 5972, 7465, 8648, 10810, 11944, 14930, 21620, 29860, 34339, 43240, 59720, 68678, 70171, 137356, 140342, 171695, 274712, 280684, 343390, 350855, 561368, 686780, 701710, 1373560, 1403420, 1613933, 2806840, 3227866, 6455732, 8069665, 12911464, 16139330, 32278660, 64557320]

約数ペア:

[(1, 64557320), (2, 32278660), (4, 16139330), (5, 12911464), (8, 8069665), (10, 6455732), (20, 3227866), (23, 2806840), (40, 1613933), (46, 1403420), (47, 1373560), (92, 701710), (94, 686780), (115, 561368), (184, 350855), (188, 343390), (230, 280684), (235, 274712), (376, 171695), (460, 140342), (470, 137356), (920, 70171), (940, 68678), (1081, 59720), (1493, 43240), (1880, 34339), (2162, 29860), (2986, 21620), (4324, 14930), (5405, 11944), (5972, 10810), (7465, 8648)]