11987260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 26276544

約数和(自身を除く): 14289284

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 148, 167, 185, 194, 334, 370, 388, 485, 668, 740, 835, 970, 1670, 1940, 3340, 3589, 6179, 7178, 12358, 14356, 16199, 17945, 24716, 30895, 32398, 35890, 61790, 64796, 71780, 80995, 123580, 161990, 323980, 599363, 1198726, 2397452, 2996815, 5993630, 11987260]

約数ペア:

[(1, 11987260), (2, 5993630), (4, 2996815), (5, 2397452), (10, 1198726), (20, 599363), (37, 323980), (74, 161990), (97, 123580), (148, 80995), (167, 71780), (185, 64796), (194, 61790), (334, 35890), (370, 32398), (388, 30895), (485, 24716), (668, 17945), (740, 16199), (835, 14356), (970, 12358), (1670, 7178), (1940, 6179), (3340, 3589)]