8940160

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 21817800

約数和(自身を除く): 12877640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 229, 244, 305, 320, 458, 488, 610, 640, 916, 976, 1145, 1220, 1832, 1952, 2290, 2440, 3664, 3904, 4580, 4880, 7328, 7808, 9160, 9760, 13969, 14656, 18320, 19520, 27938, 29312, 36640, 39040, 55876, 69845, 73280, 111752, 139690, 146560, 223504, 279380, 447008, 558760, 894016, 1117520, 1788032, 2235040, 4470080, 8940160]

約数ペア:

[(1, 8940160), (2, 4470080), (4, 2235040), (5, 1788032), (8, 1117520), (10, 894016), (16, 558760), (20, 447008), (32, 279380), (40, 223504), (61, 146560), (64, 139690), (80, 111752), (122, 73280), (128, 69845), (160, 55876), (229, 39040), (244, 36640), (305, 29312), (320, 27938), (458, 19520), (488, 18320), (610, 14656), (640, 13969), (916, 9760), (976, 9160), (1145, 7808), (1220, 7328), (1832, 4880), (1952, 4580), (2290, 3904), (2440, 3664)]