2940508720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1185689}}^1$

素因数の和:1185733

約数の個数: 40

約数和(自身を含む): 7057226880

約数和(自身を除く): 4116718160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 1185689, 2371378, 4742756, 5928445, 9485512, 11856890, 18971024, 23713780, 36756359, 47427560, 73512718, 94855120, 147025436, 183781795, 294050872, 367563590, 588101744, 735127180, 1470254360, 2940508720]

約数ペア:

[(1, 2940508720), (2, 1470254360), (4, 735127180), (5, 588101744), (8, 367563590), (10, 294050872), (16, 183781795), (20, 147025436), (31, 94855120), (40, 73512718), (62, 47427560), (80, 36756359), (124, 23713780), (155, 18971024), (248, 11856890), (310, 9485512), (496, 5928445), (620, 4742756), (1240, 2371378), (2480, 1185689)]