42629240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17471}}^1$

素因数の和:17543

約数の個数: 32

約数和(自身を含む): 97493760

約数和(自身を除く): 54864520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 17471, 34942, 69884, 87355, 139768, 174710, 349420, 698840, 1065731, 2131462, 4262924, 5328655, 8525848, 10657310, 21314620, 42629240]

約数ペア:

[(1, 42629240), (2, 21314620), (4, 10657310), (5, 8525848), (8, 5328655), (10, 4262924), (20, 2131462), (40, 1065731), (61, 698840), (122, 349420), (244, 174710), (305, 139768), (488, 87355), (610, 69884), (1220, 34942), (2440, 17471)]