31303120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23017}}^1$

素因数の和:23047

約数の個数: 40

約数和(自身を含む): 77064264

約数和(自身を除く): 45761144

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 23017, 46034, 92068, 115085, 184136, 230170, 368272, 391289, 460340, 782578, 920680, 1565156, 1841360, 1956445, 3130312, 3912890, 6260624, 7825780, 15651560, 31303120]

約数ペア:

[(1, 31303120), (2, 15651560), (4, 7825780), (5, 6260624), (8, 3912890), (10, 3130312), (16, 1956445), (17, 1841360), (20, 1565156), (34, 920680), (40, 782578), (68, 460340), (80, 391289), (85, 368272), (136, 230170), (170, 184136), (272, 115085), (340, 92068), (680, 46034), (1360, 23017)]