4372420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 10075968

約数和(自身を除く): 5703548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 251, 260, 268, 335, 502, 670, 871, 1004, 1255, 1340, 1742, 2510, 3263, 3484, 4355, 5020, 6526, 8710, 13052, 16315, 16817, 17420, 32630, 33634, 65260, 67268, 84085, 168170, 218621, 336340, 437242, 874484, 1093105, 2186210, 4372420]

約数ペア:

[(1, 4372420), (2, 2186210), (4, 1093105), (5, 874484), (10, 437242), (13, 336340), (20, 218621), (26, 168170), (52, 84085), (65, 67268), (67, 65260), (130, 33634), (134, 32630), (251, 17420), (260, 16817), (268, 16315), (335, 13052), (502, 8710), (670, 6526), (871, 5020), (1004, 4355), (1255, 3484), (1340, 3263), (1742, 2510)]