102511720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{42013}}^1$

素因数の和:42085

約数の個数: 32

約数和(自身を含む): 234438120

約数和(自身を除く): 131926400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 42013, 84026, 168052, 210065, 336104, 420130, 840260, 1680520, 2562793, 5125586, 10251172, 12813965, 20502344, 25627930, 51255860, 102511720]

約数ペア:

[(1, 102511720), (2, 51255860), (4, 25627930), (5, 20502344), (8, 12813965), (10, 10251172), (20, 5125586), (40, 2562793), (61, 1680520), (122, 840260), (244, 420130), (305, 336104), (488, 210065), (610, 168052), (1220, 84026), (2440, 42013)]