40399995

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 66781440

約数和(自身を除く): 26381445

約数列:

[1, 3, 5, 15, 61, 67, 183, 201, 305, 335, 659, 915, 1005, 1977, 3295, 4087, 9885, 12261, 20435, 40199, 44153, 61305, 120597, 132459, 200995, 220765, 602985, 662295, 2693333, 8079999, 13466665, 40399995]

約数ペア:

[(1, 40399995), (3, 13466665), (5, 8079999), (15, 2693333), (61, 662295), (67, 602985), (183, 220765), (201, 200995), (305, 132459), (335, 120597), (659, 61305), (915, 44153), (1005, 40199), (1977, 20435), (3295, 12261), (4087, 9885)]