78465040

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{14639}}^1$

素因数の和:14719

約数の個数: 40

約数和(自身を含む): 185166720

約数和(自身を除く): 106701680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 14639, 29278, 58556, 73195, 117112, 146390, 234224, 292780, 585560, 980813, 1171120, 1961626, 3923252, 4904065, 7846504, 9808130, 15693008, 19616260, 39232520, 78465040]

約数ペア:

[(1, 78465040), (2, 39232520), (4, 19616260), (5, 15693008), (8, 9808130), (10, 7846504), (16, 4904065), (20, 3923252), (40, 1961626), (67, 1171120), (80, 980813), (134, 585560), (268, 292780), (335, 234224), (536, 146390), (670, 117112), (1072, 73195), (1340, 58556), (2680, 29278), (5360, 14639)]