4891243520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15661}}^1$

素因数の和:15747

約数の個数: 88

約数和(自身を含む): 11926362408

約数和(自身を除く): 7035118888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 512, 610, 640, 976, 1024, 1220, 1280, 1952, 2440, 2560, 3904, 4880, 5120, 7808, 9760, 15616, 15661, 19520, 31232, 31322, 39040, 62464, 62644, 78080, 78305, 125288, 156160, 156610, 250576, 312320, 313220, 501152, 626440, 955321, 1002304, 1252880, 1910642, 2004608, 2505760, 3821284, 4009216, 4776605, 5011520, 7642568, 8018432, 9553210, 10023040, 15285136, 16036864, 19106420, 20046080, 30570272, 38212840, 40092160, 61140544, 76425680, 80184320, 122281088, 152851360, 244562176, 305702720, 489124352, 611405440, 978248704, 1222810880, 2445621760, 4891243520]

約数ペア:

[(1, 4891243520), (2, 2445621760), (4, 1222810880), (5, 978248704), (8, 611405440), (10, 489124352), (16, 305702720), (20, 244562176), (32, 152851360), (40, 122281088), (61, 80184320), (64, 76425680), (80, 61140544), (122, 40092160), (128, 38212840), (160, 30570272), (244, 20046080), (256, 19106420), (305, 16036864), (320, 15285136), (488, 10023040), (512, 9553210), (610, 8018432), (640, 7642568), (976, 5011520), (1024, 4776605), (1220, 4009216), (1280, 3821284), (1952, 2505760), (2440, 2004608), (2560, 1910642), (3904, 1252880), (4880, 1002304), (5120, 955321), (7808, 626440), (9760, 501152), (15616, 313220), (15661, 312320), (19520, 250576), (31232, 156610), (31322, 156160), (39040, 125288), (62464, 78305), (62644, 78080)]