31640320

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1341

約数の個数: 72

約数和(自身を含む): 79838640

約数和(自身を除く): 48198320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1301, 1520, 2432, 2602, 3040, 4864, 5204, 6080, 6505, 10408, 12160, 13010, 20816, 24320, 24719, 26020, 41632, 49438, 52040, 83264, 98876, 104080, 123595, 166528, 197752, 208160, 247190, 333056, 395504, 416320, 494380, 791008, 832640, 988760, 1582016, 1665280, 1977520, 3164032, 3955040, 6328064, 7910080, 15820160, 31640320]

約数ペア:

[(1, 31640320), (2, 15820160), (4, 7910080), (5, 6328064), (8, 3955040), (10, 3164032), (16, 1977520), (19, 1665280), (20, 1582016), (32, 988760), (38, 832640), (40, 791008), (64, 494380), (76, 416320), (80, 395504), (95, 333056), (128, 247190), (152, 208160), (160, 197752), (190, 166528), (256, 123595), (304, 104080), (320, 98876), (380, 83264), (608, 52040), (640, 49438), (760, 41632), (1216, 26020), (1280, 24719), (1301, 24320), (1520, 20816), (2432, 13010), (2602, 12160), (3040, 10408), (4864, 6505), (5204, 6080)]