4967440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2047

約数の個数: 40

約数和(自身を含む): 11927808

約数和(自身を除く): 6960368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2003, 2480, 4006, 8012, 10015, 16024, 20030, 32048, 40060, 62093, 80120, 124186, 160240, 248372, 310465, 496744, 620930, 993488, 1241860, 2483720, 4967440]

約数ペア:

[(1, 4967440), (2, 2483720), (4, 1241860), (5, 993488), (8, 620930), (10, 496744), (16, 310465), (20, 248372), (31, 160240), (40, 124186), (62, 80120), (80, 62093), (124, 40060), (155, 32048), (248, 20030), (310, 16024), (496, 10015), (620, 8012), (1240, 4006), (2003, 2480)]