131082880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6607}}^1$

素因数の和:6657

約数の個数: 64

約数和(自身を含む): 323527680

約数和(自身を除く): 192444800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 6607, 9920, 13214, 19840, 26428, 33035, 52856, 66070, 105712, 132140, 204817, 211424, 264280, 409634, 422848, 528560, 819268, 845696, 1024085, 1057120, 1638536, 2048170, 2114240, 3277072, 4096340, 4228480, 6554144, 8192680, 13108288, 16385360, 26216576, 32770720, 65541440, 131082880]

約数ペア:

[(1, 131082880), (2, 65541440), (4, 32770720), (5, 26216576), (8, 16385360), (10, 13108288), (16, 8192680), (20, 6554144), (31, 4228480), (32, 4096340), (40, 3277072), (62, 2114240), (64, 2048170), (80, 1638536), (124, 1057120), (128, 1024085), (155, 845696), (160, 819268), (248, 528560), (310, 422848), (320, 409634), (496, 264280), (620, 211424), (640, 204817), (992, 132140), (1240, 105712), (1984, 66070), (2480, 52856), (3968, 33035), (4960, 26428), (6607, 19840), (9920, 13214)]