39640240

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8123}}^1$

素因数の和:8197

約数の個数: 40

約数和(自身を含む): 93685968

約数和(自身を除く): 54045728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 8123, 16246, 32492, 40615, 64984, 81230, 129968, 162460, 324920, 495503, 649840, 991006, 1982012, 2477515, 3964024, 4955030, 7928048, 9910060, 19820120, 39640240]

約数ペア:

[(1, 39640240), (2, 19820120), (4, 9910060), (5, 7928048), (8, 4955030), (10, 3964024), (16, 2477515), (20, 1982012), (40, 991006), (61, 649840), (80, 495503), (122, 324920), (244, 162460), (305, 129968), (488, 81230), (610, 64984), (976, 40615), (1220, 32492), (2440, 16246), (4880, 8123)]